.classroom-photos-backdrop{z-index:78;background:#0615288f;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.classroom-photos-dialog{width:min(1040px,100%);max-height:min(920px,100dvh - 40px);color:var(--text);background:#fff;border-radius:8px;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 18px 60px #082b5940}.classroom-photos-dialog button,.classroom-photos-dialog select{min-height:44px}.classroom-photos-dialog button:focus-visible,.classroom-photos-dialog select:focus-visible{outline-offset:3px;outline:3px solid #76adee}.classroom-photos-dialog button:disabled{cursor:not-allowed;opacity:.5}.classroom-photos-header{border-bottom:1px solid var(--line);flex:none;justify-content:space-between;align-items:flex-start;gap:14px;padding:20px 24px 16px;display:flex}.classroom-photos-header>div{min-width:0}.classroom-photos-header>div>span{color:#956800;letter-spacing:.1em;font-size:12px;font-weight:800}.classroom-photos-header h2{color:var(--navy);margin:3px 0 6px;font-size:27px}.classroom-photos-header p{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.classroom-photos-close{color:#526176;background:#f3f6fa;border:0;border-radius:4px;flex:none;place-items:center;width:44px;padding:5px;display:grid}.classroom-photos-body{overscroll-behavior:contain;grid-template-columns:320px minmax(0,1fr);align-items:start;gap:22px;min-height:0;padding:22px 24px 24px;display:grid;overflow:auto}.classroom-photos-body[hidden]{display:none}.classroom-photos-controls{background:#f7f9fc;border:1px solid #d6dfeb;border-radius:6px;min-width:0;padding:18px}.classroom-photos-controls h3,.classroom-photos-gallery h3{color:var(--navy);margin:0;font-size:19px}.classroom-photos-device-choice{margin-top:17px}.classroom-photos-device-choice>label{color:var(--navy);margin-bottom:7px;font-size:13px;font-weight:800;display:block}.classroom-photos-device-choice select{width:100%;max-width:100%;color:var(--text);background:#fff;border:1px solid #b7c5d8;border-radius:4px;padding:9px 7px;font-size:13px}.classroom-photos-device-choice p,.classroom-photos-suggestion>span{color:var(--muted);margin:7px 0 0;font-size:12px;line-height:1.55;display:block}.classroom-photos-suggestion{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.classroom-photos-setting-row{border-top:1px solid #dce3ed;justify-content:space-between;align-items:center;gap:14px;margin-top:18px;padding-top:17px;display:flex}.classroom-photos-setting-row>div{min-width:0}.classroom-photos-setting-row strong,.classroom-photos-manual strong{color:var(--navy);font-size:15px;display:block}.classroom-photos-setting-row p,.classroom-photos-manual p{color:var(--muted);margin:6px 0 0;font-size:12px;line-height:1.6}.classroom-photos-switch{color:#4c5a6d;background:#e4e9f0;border:1px solid #aab8c9;border-radius:22px;flex:none;align-items:center;gap:7px;padding:5px 9px 5px 6px;display:flex}.classroom-photos-switch>span{background:#fff;border-radius:50%;width:27px;height:27px;box-shadow:0 1px 4px #082b5933}.classroom-photos-switch>b{font-size:12px}.classroom-photos-switch.enabled{color:#fff;background:#1769d2;border-color:#1769d2;flex-direction:row-reverse;padding:5px 6px 5px 9px}.classroom-photos-device-state{background:#fff;border:1px solid #dce3ed;border-radius:4px;margin-top:17px;padding:13px}.classroom-photos-online{color:#5b6778;align-items:center;gap:8px;font-size:14px;display:flex}.classroom-photos-online>i{background:#8b97a7;border-radius:50%;flex:none;width:8px;height:8px}.classroom-photos-online.online{color:#176d3b}.classroom-photos-online.online>i{background:#178744}.classroom-photos-device-state p{color:#667085;margin:8px 0 0;font-size:12px;line-height:1.6}.classroom-photos-device-state .camera-error{color:#a22c32}.classroom-photos-device-state dl{gap:7px;margin:12px 0 0;font-size:11px;display:grid}.classroom-photos-device-state dl>div{justify-content:space-between;gap:10px;display:flex}.classroom-photos-device-state dt{color:var(--muted)}.classroom-photos-device-state dd{text-align:right;font-variant-numeric:tabular-nums;margin:0}.classroom-photos-device-state details{color:var(--muted);margin-top:10px;font-size:11px}.classroom-photos-device-state summary{cursor:pointer;padding:4px 0}.classroom-photos-device-state details>span{overflow-wrap:anywhere;margin-top:6px;display:block}.classroom-photos-manual{border-top:1px solid #dce3ed;flex-direction:column;gap:12px;margin-top:17px;padding-top:17px;display:flex}.classroom-photos-primary,.classroom-photos-secondary{color:var(--navy);background:#fff;border:1px solid #b4c2d4;border-radius:4px;justify-content:center;align-items:center;gap:7px;padding:9px 12px;font-size:13px;font-weight:800;display:inline-flex}.classroom-photos-primary{border-color:var(--blue);color:#fff;background:var(--blue)}.classroom-photos-manual>button{width:100%}.classroom-photos-permission{color:var(--muted);margin:12px 0 0;font-size:11px;line-height:1.6}.classroom-photos-command,.classroom-photos-error{overflow-wrap:anywhere;border-radius:4px;margin:12px 0 0;padding:10px 12px;font-size:12px;line-height:1.6}.classroom-photos-command.pending{color:#775411;background:#fff5de}.classroom-photos-command.completed{color:#176d3b;background:#eaf7ef}.classroom-photos-command.failed,.classroom-photos-error{color:#a22c32;background:#fff0f0}.classroom-photos-gallery{min-width:0}.classroom-photos-gallery>header{justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:15px;display:flex}.classroom-photos-gallery>header p{color:var(--muted);margin:6px 0 0;font-size:12px}.classroom-photos-refresh{color:var(--navy);background:#fff;border:1px solid #c6d2e2;border-radius:4px;flex:none;justify-content:center;align-items:center;gap:5px;padding:7px 10px;font-size:12px;display:inline-flex}.classroom-photos-gallery>.classroom-photos-error{margin:0 0 14px}.classroom-photos-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.classroom-photo-tile{min-width:0;color:var(--text);text-align:left;background:#fff;border:1px solid #d7e0ec;border-radius:5px;flex-direction:column;padding:0;display:flex;overflow:hidden}.classroom-photo-tile:hover{border-color:#7baae2;box-shadow:0 4px 13px #082b591a}.classroom-photo-thumbnail{aspect-ratio:4/3;background:#edf1f6;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.classroom-photo-thumbnail>img{object-fit:cover;width:100%;height:100%;display:block}.classroom-photo-placeholder{color:#6c7889;text-align:center;padding:12px;font-size:12px;line-height:1.5}.classroom-photo-placeholder.error{color:#a22c32}.classroom-photo-tile-caption{flex-direction:column;gap:5px;width:100%;padding:10px 11px;display:flex}.classroom-photo-tile-caption time{color:var(--navy);font-variant-numeric:tabular-nums;font-size:13px;font-weight:800}.classroom-photo-tile-caption small{color:var(--muted);font-size:11px}.classroom-photos-empty{min-height:270px;color:var(--navy);text-align:center;background:#f8fafc;border:1px dashed #c9d5e5;border-radius:5px;flex-direction:column;justify-content:center;align-items:center;gap:9px;padding:25px 15px;display:flex}.classroom-photos-empty strong{font-size:16px}.classroom-photos-empty p{max-width:300px;color:var(--muted);margin:0;font-size:12px;line-height:1.6}.classroom-photos-more{width:100%;margin-top:16px;display:flex}.classroom-photos-viewer{background:#edf1f6;flex-direction:column;flex:auto;height:min(690px,70dvh);min-height:0;display:flex}.classroom-photos-viewer-toolbar{background:#f8fafc;border-bottom:1px solid #d7e0ec;flex:none;justify-content:space-between;align-items:center;gap:12px;padding:14px 24px;display:flex}.classroom-photos-viewer-toolbar>div{text-align:right;flex-direction:column;gap:5px;min-width:0;display:flex}.classroom-photos-viewer-toolbar time{color:var(--navy);font-variant-numeric:tabular-nums;font-size:14px;font-weight:800}.classroom-photos-viewer-toolbar span{color:var(--muted);font-size:11px}.classroom-photos-viewer-image{flex:auto;justify-content:center;align-items:center;min-height:0;padding:18px;display:flex;overflow:auto}.classroom-photo-full{object-fit:contain;max-width:100%;max-height:100%;display:block}.classroom-photo-full-message{color:var(--navy);text-align:center;flex-direction:column;align-items:center;gap:10px;padding:20px;display:flex}.classroom-photo-full-message strong{font-size:19px}.classroom-photo-full-message p{color:var(--muted);margin:0;font-size:13px;line-height:1.6}@media (width<=760px){.classroom-photos-backdrop{padding:10px}.classroom-photos-dialog{max-height:calc(100dvh - 20px)}.classroom-photos-header{padding:17px 16px 14px}.classroom-photos-header h2{font-size:24px}.classroom-photos-header p{font-size:11px}.classroom-photos-body{grid-template-columns:minmax(0,1fr);gap:20px;padding:16px}.classroom-photos-controls{padding:15px}.classroom-photos-device-state dl{font-size:12px}.classroom-photos-manual{flex-direction:row;align-items:center;gap:14px}.classroom-photos-manual>div{flex:auto;min-width:0}.classroom-photos-manual>button{flex:none;width:auto;max-width:46%}.classroom-photos-grid{gap:9px}.classroom-photo-tile-caption{padding:9px 8px}.classroom-photo-tile-caption time{font-size:11px}.classroom-photo-tile-caption small{font-size:10px}.classroom-photos-viewer{height:75dvh}.classroom-photos-viewer-toolbar{gap:8px;padding:12px}.classroom-photos-viewer-toolbar>button{padding-inline:9px;font-size:12px}.classroom-photos-viewer-toolbar time{font-size:12px}.classroom-photos-viewer-image{padding:10px}}@media (prefers-reduced-motion:reduce){.classroom-photos-dialog *{scroll-behavior:auto}}:root{color:#12213a;font-synthesis:none;--navy:#082b59;--navy-2:#0d3d78;--blue:#1769d2;--green:#178744;--green-soft:#eef8f1;--red:#cf2f37;--red-soft:#fff1f1;--amber:#d99114;--text:#12213a;--muted:#667085;--line:#d8dee8;--soft:#f4f6f9;--white:#fff;--shadow:0 14px 34px #082b5926;background:#f3f6fa;font-family:Microsoft YaHei,PingFang SC,Noto Sans CJK SC,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-width:320px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.46}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.classroom-shell{background:#eef2f7;min-height:100vh;overflow:hidden}.teacher-notice-ticker{z-index:74;color:#fff;background:#061f43;border-bottom:1px solid #ffffff2e;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;height:68px;padding:0 24px;display:grid;position:fixed;inset:0 0 auto;overflow:hidden;box-shadow:0 6px 20px #03152f47}.teacher-notice-ticker-label{color:#fff;letter-spacing:.12em;border:1px solid #ffffff70;border-radius:4px;flex:none;padding:7px 11px;font-size:15px;font-weight:900}.teacher-notice-ticker-viewport{min-width:0;height:100%;position:relative;overflow:hidden}.teacher-notice-ticker-track{white-space:nowrap;width:max-content;max-width:none;animation:teacher-notice-scroll var(--notice-duration,16s) linear 1 forwards;will-change:transform;align-items:baseline;gap:.28em;font-size:clamp(27px,2.35vw,38px);line-height:1.1;animation-play-state:running;display:flex;position:absolute;top:50%;left:0;transform:translate(calc(100vw - 110px),-50%)}.teacher-notice-ticker.paused .teacher-notice-ticker-track{animation-play-state:paused}.teacher-notice-ticker-track strong{color:#ffc342;font-weight:900}.teacher-notice-ticker-track span{color:#fff;font-weight:800}.teacher-notice-ticker-count{color:#b9cce5;text-align:right;font-variant-numeric:tabular-nums;min-width:44px;font-size:14px}.teacher-notice-ticker-track.reduced-motion{white-space:normal;text-align:center;justify-content:center;width:100%;animation:none;inset-inline:0;transform:translateY(-50%)}@keyframes teacher-notice-scroll{0%{transform:translate(calc(100vw - 110px),-50%)}to{transform:translate(-100%,-50%)}}.classroom-shell.has-teacher-notices .classroom-standby{height:calc(100vh - 68px);min-height:492px;margin-top:68px}.classroom-shell.has-teacher-notices .standby-main{min-height:calc(100vh - 200px)}.classroom-shell.has-teacher-notices .feedback-overlay,.classroom-shell.has-teacher-notices .homework-modal-backdrop,.classroom-shell.has-teacher-notices .mobile-sheet-backdrop,.classroom-shell.has-teacher-notices .homework-confirm-backdrop,.classroom-shell.has-teacher-notices .homework-nested-backdrop{top:68px}.classroom-shell.has-teacher-notices .homework-representative-dialog,.classroom-shell.has-teacher-notices .homework-management-dialog,.classroom-shell.has-teacher-notices .homework-admin-action-dialog{max-height:calc(100vh - 88px)}.classroom-shell.has-teacher-notices .classroom-toast{top:156px}.classroom-standby{height:100vh;min-height:560px;color:var(--text);background:linear-gradient(135deg,#f7f9fc 0%,#e7edf5 100%);grid-template-rows:78px minmax(0,1fr) 54px;display:grid;position:relative}.standby-header{color:#fff;background:var(--navy);justify-content:space-between;align-items:center;gap:28px;padding:0 38px;display:flex;box-shadow:0 5px 18px #082b5929}.standby-identity{align-items:center;gap:14px;display:flex}.standby-badge{border:1px solid #ffffff94;justify-content:center;align-items:center;width:48px;height:48px;font-size:16px;font-weight:800;display:inline-flex}.standby-identity div{flex-direction:column;gap:3px;display:flex}.standby-identity strong{letter-spacing:.05em;font-size:23px}.standby-identity small{color:#bdd1ea;letter-spacing:.22em;font-size:12px}.standby-network{color:#d9e5f3;align-items:center;gap:8px;font-size:14px;display:flex}.standby-network>i{background:currentColor;border-radius:50%;width:9px;height:9px;box-shadow:0 0 0 4px #ffffff14}.standby-network small{color:#d9e5f3;border-left:1px solid #ffffff40;padding-left:8px}.standby-content{overscroll-behavior:contain;flex-direction:column;min-height:0;display:flex;overflow:hidden auto}.standby-main{flex:1 0 auto;grid-template-columns:minmax(360px,.92fr) minmax(420px,1.08fr);align-items:center;gap:clamp(38px,7vw,96px);width:min(1120px,100vw - 72px);min-height:calc(100vh - 132px);margin:0 auto;padding:38px 0 112px;display:grid}.standby-clock{border-right:1px solid #c8d2df;padding-right:clamp(30px,5vw,72px)}.standby-clock>span,.standby-schedule>span{color:var(--muted);letter-spacing:.12em;font-size:15px;font-weight:700;display:block}.standby-clock time{color:var(--navy);letter-spacing:-.05em;font-variant-numeric:tabular-nums;margin:8px 0 2px;font-size:clamp(86px,10vw,144px);font-weight:800;line-height:1;display:block}.standby-clock p{color:#536176;margin:15px 0 0;font-size:20px}.standby-schedule{border-top:5px solid var(--blue);background:#ffffffeb;min-width:0;padding:34px 38px 32px;box-shadow:0 16px 44px #082b591f}.standby-schedule h1{color:var(--navy);margin:18px 0 16px;font-size:clamp(30px,3.4vw,48px);line-height:1.18}.standby-schedule strong{color:var(--blue);font-variant-numeric:tabular-nums;font-size:clamp(27px,3vw,42px);display:block}.standby-schedule p{border-top:1px solid var(--line);color:var(--muted);margin:20px 0 0;padding-top:16px;font-size:15px}.standby-feedback{flex-direction:column;align-items:center;gap:8px;display:flex;position:absolute;bottom:76px;left:50%;transform:translate(-50%)}.standby-feedback button{background:var(--navy);color:#fff;min-width:230px;box-shadow:var(--shadow);border:0;border-radius:5px;justify-content:center;align-items:center;gap:10px;padding:16px 24px;font-size:18px;font-weight:800;display:flex}.standby-feedback button:hover{background:var(--navy-2)}.standby-feedback button:focus-visible{outline-offset:3px;outline:3px solid #76aef3}.standby-feedback span{color:var(--muted);font-size:13px}.standby-footer{color:#5b687b;background:#ffffffb8;border-top:1px solid #d0d8e3;justify-content:center;align-items:center;gap:10px;padding:0 24px;font-size:13px;display:flex}.standby-footer a{color:#44546b;white-space:nowrap;flex:none;text-decoration:none}.standby-footer a:hover,.standby-footer a:focus-visible{color:var(--blue);outline:none;text-decoration:underline}.standby-footer-divider{color:#a8b2c0}.secondary-window-note{z-index:20;color:#5e4700;background:#fff7d7;border:1px solid #d3a330;border-radius:5px;max-width:360px;padding:10px 14px;font-size:13px;font-weight:700;position:fixed;bottom:66px;right:18px;box-shadow:0 8px 24px #082b591f}.online{color:var(--green)}.offline{color:var(--red)}.syncing{color:#ad6500}.standby-header-actions{justify-content:flex-end;align-items:center;gap:18px;display:flex}.homework-entry-button,.voice-enable-button{color:#fff;background:#ffffff14;border:1px solid #ffffffad;border-radius:4px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:9px 16px;font-size:15px;font-weight:800;display:inline-flex}.homework-entry-button:hover,.homework-entry-button:focus-visible,.voice-enable-button:hover,.voice-enable-button:focus-visible{color:var(--navy);background:#fff;outline:none}.voice-enable-button.enabled{color:#c9f3d4;border-color:#c9f3d4c7}.voice-enable-button.failed{color:#ffd0d0;border-color:#ffd0d0c7}.voice-enable-button:disabled{cursor:wait;opacity:.78}.homework-board{flex:none;width:min(1400px,100vw - 72px);margin:28px auto 0}.homework-board-heading{border-bottom:1px solid #cbd4df;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:14px;padding-bottom:12px;display:flex}.homework-board-heading>div{align-items:baseline;gap:13px;display:flex}.homework-board-heading>div>span{color:var(--amber);letter-spacing:.16em;font-size:12px;font-weight:900}.homework-board-heading h2{color:var(--navy);letter-spacing:.03em;margin:0;font-size:27px}.homework-board-heading p{color:var(--muted);margin:0;font-size:15px}.homework-card-grid{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));align-items:start;gap:16px;display:grid}.homework-subject-card{border:1px solid #c9d2df;border-top:5px solid var(--amber);min-width:0;color:var(--text);text-align:left;background:#fffffff5;border-radius:5px;flex-direction:column;padding:0;display:flex;overflow:hidden;box-shadow:0 9px 24px #082b591a}.homework-subject-card:focus-within{outline-offset:2px;border-color:#b5780a;outline:3px solid #d9911438;box-shadow:0 13px 30px #082b5929}.homework-subject-header{color:var(--navy);background:#f8fafc;border-bottom:1px solid #dce2ea;justify-content:space-between;align-items:center;gap:14px;padding:15px 18px 13px;display:flex}.homework-subject-header>strong{letter-spacing:.06em;font-size:27px}.homework-subject-header>small{color:#7b4d00;white-space:nowrap;background:#fff2d6;border-radius:3px;padding:5px 9px;font-size:14px;font-weight:800}.homework-assignment-list{flex-direction:column;display:flex}.homework-assignment{border-bottom:1px solid #e1e6ed;flex-direction:column;gap:9px;padding:15px 18px 17px;display:flex}.homework-assignment:last-child{border-bottom:0}.homework-assignment-heading{justify-content:space-between;align-items:baseline;gap:14px;display:flex}.homework-assignment-heading>strong{color:var(--text);font-size:22px;line-height:1.35}.homework-assignment-heading>small{color:#9b5600;white-space:nowrap;font-size:15px;font-weight:800}.homework-assignment>time{color:var(--muted);font-variant-numeric:tabular-nums;font-size:15px}.homework-assignment-meta{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:13px;display:flex}.homework-assignment-meta b{color:#56657a}.homework-assignment-meta time{font-variant-numeric:tabular-nums}.homework-feedback-group{grid-template-columns:100px minmax(0,1fr);align-items:start;gap:9px;display:grid}.homework-feedback-group>b{color:#56657a;padding-top:7px;font-size:15px}.homework-feedback-group.excellent>b{color:#187543}.homework-feedback-group.careless>b{color:#9a6500}.homework-feedback-group.missing>b{color:#ae2931}.homework-student-chips{flex-wrap:wrap;gap:8px;display:flex}.homework-student-chip{color:var(--navy);background:#f4f8fd;border:1px solid #cfdae7;border-radius:3px;padding:7px 10px;font-size:19px;font-weight:800;line-height:1.35}.homework-feedback-group.excellent .homework-student-chip{color:#126637;background:#effaf3;border-color:#b8dfc6}.homework-feedback-group.careless .homework-student-chip{color:#775000;background:#fff9ea;border-color:#e6d19f}.homework-feedback-group.missing .homework-student-chip{color:#99252c;background:#fff2f3;border-color:#e7bfc1}.homework-feedback-note{color:#3e4d62;overflow-wrap:anywhere;background:#f2f5f9;border-left:4px solid #7890ad;padding:10px 12px;font-size:17px;line-height:1.55}.homework-feedback-note b{color:var(--navy);margin-right:9px}.homework-card-action{color:#6f4500;text-align:right;background:#fff8e8;border:0;border-top:1px solid #e0e6ed;width:100%;padding:11px 18px;font-size:14px;font-weight:800;display:block}.homework-card-action:hover,.homework-card-action:focus-visible{background:#fff0ca;outline:0}.office-reminder-rail{z-index:12;width:286px;color:var(--text);position:fixed;top:104px;right:18px}.classroom-shell.has-teacher-notices .office-reminder-rail{top:172px}.office-reminder-tab{display:none}.office-reminder-card{border:1px solid #c8d4e3;border-top:5px solid var(--amber);background:#fffffff7;border-radius:5px;overflow:hidden;box-shadow:0 12px 30px #082b5929}.office-reminder-card>header{color:var(--navy);background:#f7f9fc;border-bottom:1px solid #dde4ed;justify-content:space-between;align-items:center;gap:12px;padding:12px 15px;display:flex}.office-reminder-card>header span{align-items:center;gap:8px;font-size:16px;font-weight:900;display:inline-flex}.office-reminder-card>header small{color:var(--muted);font-size:12px;font-weight:800}.office-reminder-copy{padding:15px}.office-reminder-copy small{color:#8a5700;margin-bottom:6px;font-size:13px;font-weight:900;display:block}.office-reminder-copy strong{color:var(--navy);font-size:24px;line-height:1.35;display:block}.office-reminder-copy p{color:#3e4d62;margin:8px 0 0;font-size:16px;line-height:1.55}.office-reminder-card>footer{color:var(--muted);background:#fafbfd;border-top:1px solid #e1e6ed;padding:9px 15px;font-size:12px}.office-reminder-rail.compact{width:62px}.office-reminder-rail.compact .office-reminder-tab{color:#fff;background:var(--navy);border:1px solid #c8d4e3;border-right:0;border-radius:5px 0 0 5px;flex-direction:column;justify-content:center;align-items:center;gap:8px;width:62px;min-height:170px;padding:11px 8px;display:flex;box-shadow:0 10px 26px #082b592e}.office-reminder-rail.compact .office-reminder-tab span{writing-mode:vertical-rl;letter-spacing:.12em;font-size:14px;font-weight:900}.office-reminder-rail.compact .office-reminder-tab strong{min-width:25px;height:25px;color:var(--navy);background:#fff;border-radius:13px;justify-content:center;align-items:center;font-size:13px;display:inline-flex}.office-reminder-rail.compact .office-reminder-card{visibility:hidden;opacity:0;pointer-events:none;width:286px;transition:opacity .18s,transform .18s,visibility .18s;position:absolute;top:0;right:62px;transform:translate(12px)}.office-reminder-rail.compact:hover .office-reminder-card,.office-reminder-rail.compact:focus-within .office-reminder-card,.office-reminder-rail.compact.auto-expanded .office-reminder-card{visibility:visible;opacity:1;pointer-events:auto;transform:translate(0)}.feedback-overlay{z-index:20;background:var(--white);color:var(--text);grid-template-rows:72px 1fr 76px;display:grid;position:fixed;inset:0}.classroom-header{background:var(--navy);color:#fff;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 24px 0 28px;display:grid}.classroom-header h1{letter-spacing:.04em;margin:0;font-size:28px}.lesson-title{align-items:center;gap:18px;font-size:19px;display:flex}.lesson-title strong{font-size:22px}.lesson-title small{color:#bdd1ea;border-left:1px solid #ffffff57;padding-left:16px}.lesson-switch{color:#fff;white-space:nowrap;background:0 0;border:1px solid #ffffff9e;border-radius:4px;padding:7px 10px;font-size:13px;font-weight:700}.lesson-switch:hover,.lesson-switch:focus-visible{background:#ffffff1f}.close-overlay{color:#fff;background:0 0;border:0;justify-self:end;align-items:center;gap:7px;padding:10px;font-size:17px;font-weight:700;display:flex}.feedback-body{background:#f8fafc;grid-template-columns:minmax(0,1fr) 322px;gap:20px;min-height:0;padding:18px 22px 14px;display:grid}.student-area{flex-direction:column;min-width:0;display:flex}.section-heading{align-items:baseline;gap:18px;margin-bottom:12px;display:flex}.section-heading h2{color:var(--navy);margin:0;font-size:20px}.section-heading p{color:var(--muted);margin:0;font-size:13px}.desktop-student-grid{flex:1;grid-template-rows:repeat(5,minmax(58px,1fr));grid-template-columns:repeat(9,minmax(76px,1fr));gap:8px;min-height:0;display:grid}.student-card{min-width:0;color:var(--text);background:#fff;border:1px solid #cfd7e3;border-radius:4px;flex-direction:column;justify-content:center;align-items:center;gap:4px;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex;box-shadow:0 1px 2px #082b590a}.student-card span{color:#697586;font-size:15px}.student-card strong{white-space:nowrap;font-size:17px}.student-card:hover{border-color:var(--blue);transform:translateY(-1px);box-shadow:0 4px 10px #1769d221}.student-card.selected{border:2px solid var(--blue);background:#edf5ff;transform:scale(.98)}.drop-column{grid-template-rows:1fr 1fr;gap:14px;min-height:0;display:grid}.drop-zone{border:2px solid;border-radius:6px;flex-direction:column;min-height:0;padding:15px 16px;transition:box-shadow .15s,background .15s;display:flex}.drop-zone.good{border-color:var(--green);background:var(--green-soft);color:#116f39}.drop-zone.bad{border-color:var(--red);background:var(--red-soft);color:#b7242d}.drop-zone header{border-bottom:1px dashed;justify-content:space-between;align-items:center;padding-bottom:10px;display:flex}.drop-zone h2{margin:0;font-size:21px}.drop-zone header span{font-size:14px;font-weight:700}.drop-list{padding-top:8px;overflow:auto}.drop-list>p{text-align:center;opacity:.72;margin:42px 0 0;font-size:14px}.drop-list>div{color:var(--text);justify-content:space-between;padding:5px 2px;font-size:14px;display:flex}.drop-list>div strong{color:inherit}.recent-strip{border-top:1px solid var(--line);background:#fff;grid-template-columns:1fr auto;align-items:center;gap:16px;padding:10px 22px;display:grid}.recent-strip>div{align-items:center;gap:9px;min-width:0;display:flex;overflow:hidden}.recent-strip>div>strong{color:var(--navy);flex:none;margin-right:3px;font-size:14px}.recent-strip>div>span{border:1px solid var(--line);white-space:nowrap;align-items:center;gap:5px;padding:7px 9px;font-size:12px;display:flex}.recent-strip time{color:var(--muted)}.recent-strip b{font-weight:700}.recent-strip b.good{color:var(--green)}.recent-strip b.bad{color:var(--red)}.recent-strip>button{border:1px solid var(--blue);color:var(--blue);background:#fff;border-radius:5px;align-items:center;gap:7px;padding:11px 15px;font-weight:700;display:flex}.classroom-toast,.teacher-toast,.mobile-toast{color:#fff;box-shadow:var(--shadow);z-index:80;background:#102440;position:fixed;left:50%;transform:translate(-50%)}.classroom-toast{border-radius:4px;padding:12px 18px;top:88px}.fullscreen-alert{z-index:100;text-align:center;background:#fff;flex-direction:column;justify-content:center;align-items:center;padding:5vh 7vw;display:flex;position:fixed;inset:0}.fullscreen-alert.office-alert{background:var(--navy);color:#fff}.alert-brand{letter-spacing:.04em;font-size:22px;font-weight:700;position:absolute;top:30px;left:38px}.reminder-alert .alert-brand{color:var(--navy)}.alert-kind{color:var(--blue);border-bottom:2px solid;align-items:center;gap:10px;padding:0 4px 10px;font-size:22px;font-weight:700;display:flex}.office-alert .alert-kind{color:#ffb52d}.alert-main{letter-spacing:.02em;max-width:1220px;margin:55px 0 46px;font-size:clamp(42px,6.8vw,94px);font-weight:800;line-height:1.18}.alert-main .alert-prefix{margin-bottom:16px;font-size:.52em;display:block}.alert-names{color:#ffbf45;flex-wrap:wrap;justify-content:center;gap:16px 34px;margin-bottom:24px;display:flex}.reminder-copy{color:var(--navy)}.alert-speaking{color:var(--blue);align-items:center;gap:10px;font-size:22px;font-weight:700;display:flex}.office-alert .alert-speaking{color:#ffb52d}.alert-speaking.failed{color:#ffdf8e}.alert-speech-retry{min-width:260px;color:var(--navy);background:#fff;border:2px solid #fff;border-radius:6px;justify-content:center;align-items:center;gap:10px;margin-top:24px;padding:16px 24px;font-size:22px;font-weight:800;display:inline-flex;box-shadow:0 10px 30px #00000038}.alert-speech-retry:hover,.alert-speech-retry:focus-visible{outline-offset:3px;outline:4px solid #ffb52d6b}.alert-progress{background:#d8e0ea;width:min(720px,70vw);height:4px;position:absolute;bottom:60px;overflow:hidden}.office-alert .alert-progress{background:#ffffff40}.alert-progress span{background:var(--blue);width:0;height:100%;display:block}.alert-progress.speaking span,.alert-progress.completed span{animation:5.2s linear forwards alert-progress}.office-alert .alert-progress span{background:#ffb52d}@keyframes alert-progress{0%{width:0}to{width:100%}}.teacher-shell{min-height:100vh;color:var(--text);background:#f4f6f9}.teacher-header{background:var(--navy);color:#fff;justify-content:space-between;align-items:center;height:72px;padding:0 28px;display:flex}.teacher-header h1{letter-spacing:.04em;margin:0;font-size:27px}.teacher-header-actions{align-items:center;gap:24px;font-size:14px;display:flex}.teacher-header-actions>span:first-child{color:#bde5c7;align-items:center;gap:7px;display:flex}.teacher-header-actions>span:first-child.offline{color:#ffd0d0}.teacher-header-actions>span:first-child.syncing{color:#ffe0a3}.teacher-header-actions i{background:currentColor;border-radius:50%;width:9px;height:9px}.teacher-layout{background:var(--line);grid-template-columns:minmax(0,1fr) 390px;gap:1px;min-height:calc(100vh - 72px);display:grid}.records-panel,.command-panel{background:#fff}.records-panel{min-width:0;padding:0 24px 24px}.teacher-tabs{border-bottom:1px solid var(--line);align-items:flex-end;gap:30px;height:72px;display:flex}.teacher-tabs button{color:#4c586c;background:0 0;border:0;border-bottom:3px solid #0000;padding:0 4px 16px;font-size:17px;font-weight:700}.teacher-tabs button.active{color:var(--navy);border-color:var(--blue)}.data-table-wrap{border:1px solid var(--line);background:#fff;margin-top:16px;overflow:auto}.data-table-wrap table{border-collapse:collapse;width:100%;min-width:760px}.data-table-wrap th{color:#42506a;text-align:left;border-bottom:1px solid var(--line);background:#eef2f7;padding:11px 12px;font-size:13px;font-weight:700}.data-table-wrap td{border-bottom:1px solid #e6eaf0;padding:13px 12px;font-size:14px}.feedback-table td:nth-child(2) strong{color:var(--navy);display:block}.feedback-table td:nth-child(2) span{color:var(--muted);font-size:12px}.result-mark{white-space:nowrap;align-items:center;gap:7px;font-weight:700;display:inline-flex}.result-mark i{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-style:normal;line-height:1;display:inline-flex}.result-mark.good{color:var(--green)}.result-mark.good i{background:var(--green)}.result-mark.bad{color:var(--red)}.result-mark.bad i{background:var(--red)}.delete-record{color:#8993a3;background:0 0;border:0;padding:5px}.delete-record:hover{color:var(--red)}.table-footer{color:var(--muted);background:#f8fafc;padding:11px 12px;font-size:12px}.summary-table .good-number{color:var(--green);font-size:17px;font-weight:800}.summary-table .bad-number{color:var(--red);font-size:17px;font-weight:800}.office-history-table .office-status{white-space:nowrap;border-radius:3px;align-items:center;padding:4px 8px;font-size:12px;font-weight:800;display:inline-flex}.office-status.sent{color:#58677b;background:#eef1f5}.office-status.received{color:#115db6;background:#eaf3ff}.office-status.played{color:#116f39;background:var(--green-soft)}.office-status.expired{color:#9f2930;background:var(--red-soft)}.office-status.revoked{color:#704248;background:#f4e9ea}.revoke-office-reminder{color:#7b3139;background:#fff;border:1px solid #b56d75;border-radius:3px;padding:5px 8px;font-size:12px;font-weight:800}.revoke-office-reminder:hover,.revoke-office-reminder:focus-visible{color:#fff;background:#8f3e47;outline:none}.command-panel{min-width:0;padding:22px}.student-selector h2{color:var(--navy);margin:0 0 15px;font-size:21px}.search-field,.mobile-search{color:#7b8798;background:#fff;border:1px solid #cbd3df;align-items:center;gap:9px;display:flex}.search-field{padding:10px 12px}.search-field input,.mobile-search input{min-width:0;color:var(--text);background:0 0;border:0;outline:0;flex:1}.selected-preview{min-height:39px;color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;padding:8px 0;font-size:13px;display:flex}.selected-preview button{color:#124a8c;background:#edf5ff;border:1px solid #94b9e7;border-radius:3px;align-items:center;gap:5px;padding:5px 7px;font-size:12px;display:inline-flex}.teacher-student-list{border:1px solid var(--line);height:218px;overflow:auto}.teacher-student-list label{border-bottom:1px solid #e8ebf0;grid-template-columns:22px 36px 1fr;align-items:center;gap:6px;height:39px;padding:0 10px;font-size:14px;display:grid}.teacher-student-list label.selected{background:#edf5ff}.teacher-student-list input{accent-color:var(--blue)}.teacher-student-list label>span{color:var(--muted)}.classroom-will-show{background:#f4f8fd;border:1px solid #cbd9e9;flex-direction:column;gap:8px;margin-top:14px;padding:13px;display:flex}.classroom-will-show span,.classroom-will-show small{color:var(--muted);font-size:12px}.classroom-will-show strong{color:var(--navy);font-size:15px;line-height:1.5}.send-command{background:var(--blue);color:#fff;border:0;border-radius:4px;width:100%;margin-top:12px;padding:13px 15px;font-size:16px;font-weight:800}.delivery-panel{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}.delivery-panel h3{color:var(--navy);margin:0 0 9px;font-size:17px}.delivery-target,.empty-delivery{color:var(--muted);margin:0 0 12px;font-size:12px}.delivery-panel ol{margin:0;padding:0;list-style:none}.delivery-panel li{color:#8a94a4;grid-template-columns:24px 1fr auto;align-items:center;gap:10px;min-height:36px;font-size:13px;display:grid;position:relative}.delivery-panel li:before{content:"";border-left:1px dashed #bcc5d2;height:17px;position:absolute;top:-8px;left:10px}.delivery-panel li:first-child:before{display:none}.delivery-panel li>i{background:#fff;border:1px solid #b7c1ce;border-radius:50%;justify-content:center;align-items:center;width:21px;height:21px;font-size:11px;font-style:normal;display:inline-flex}.delivery-panel li.done{color:var(--navy)}.delivery-panel li.done>i{background:var(--blue);border-color:var(--blue);color:#fff}.delivery-panel li time{font-size:12px}.delivery-expired{border-left:4px solid var(--red);background:var(--red-soft);color:#852329;grid-template-columns:1fr auto;align-items:center;gap:4px 12px;padding:12px;display:grid}.delivery-expired strong{font-size:14px}.delivery-expired time{font-size:12px}.delivery-expired small{color:#8a4c50;grid-column:1/-1}.delivery-expired.revoked{color:#5c3439;background:#f4e9ea;border-left-color:#85535a}.teacher-tools{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px;padding-top:14px;display:grid}.teacher-tools button{color:var(--navy);background:#fff;border:1px solid #b9c7d8;justify-content:center;align-items:center;gap:7px;padding:10px;font-weight:700;display:flex}.teacher-tools .teacher-tool-with-badge{position:relative}.teacher-tool-with-badge>b{color:#fff;background:var(--red);border-radius:11px;justify-content:center;align-items:center;min-width:22px;height:22px;padding:0 6px;font-size:11px;display:inline-flex}.teacher-tools .system-health-tool{position:relative}.system-health-tool>span{color:#fff;background:#8793a3;border-radius:10px;min-width:42px;padding:3px 7px;font-size:10px;line-height:1}.system-health-tool.green>span{background:var(--green)}.system-health-tool.yellow>span{color:#503500;background:#f5bf45}.system-health-tool.red>span{background:var(--red)}.teacher-toast{border-radius:4px;padding:12px 18px;bottom:28px}.modal-backdrop{z-index:70;background:#06152885;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.classroom-notices-dialog{width:min(920px,96vw);max-height:90vh;box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;position:relative;overflow:hidden}.classroom-notices-dialog>header{border-bottom:1px solid var(--line);flex:none;justify-content:space-between;gap:20px;padding:22px 24px 18px;display:flex}.classroom-notices-dialog>header h2{color:var(--navy);margin:0 0 5px}.classroom-notices-dialog>header p{color:var(--muted);margin:0;font-size:13px}.classroom-notices-dialog>header button{color:var(--muted);background:0 0;border:0;align-self:flex-start;padding:4px}.classroom-notices-body{min-height:0;overflow:auto}.headteacher-notice-composer{padding:18px 24px}.headteacher-notice-composer>label{color:var(--navy);margin-bottom:8px;font-size:17px;font-weight:800;display:block}.headteacher-notice-composer textarea{width:100%;color:var(--text);font:inherit;resize:vertical;background:#fff;border:1px solid #aebac9;border-radius:4px;padding:12px;font-size:18px;line-height:1.5}.headteacher-notice-composer textarea:focus{outline:2px solid var(--blue);outline-offset:2px}.headteacher-notice-composer textarea[aria-invalid=true]{border-color:var(--red)}.headteacher-notice-help{color:var(--muted);justify-content:space-between;gap:12px;margin-top:6px;font-size:13px;display:flex}.headteacher-notice-help.invalid{color:var(--red)}.headteacher-notice-help strong{white-space:nowrap}.headteacher-notice-preview{background:#f6f8fb;border:1px solid #d8e0ea;margin-top:16px;padding:14px}.headteacher-notice-preview>span,.headteacher-notice-preview small{color:var(--muted);font-size:13px}.headteacher-notice-preview p{overflow-wrap:anywhere;margin:8px 0;font-size:18px;line-height:1.5}.headteacher-notice-preview strong{color:#9a5a00}.headteacher-notice-actions{justify-content:space-between;align-items:center;gap:16px;margin-top:14px;display:flex}.headteacher-notice-actions p{color:var(--muted);margin:0;font-size:14px;line-height:1.5}.headteacher-notice-actions button{background:var(--blue);color:#fff;border:0;flex-shrink:0;padding:12px 20px;font-weight:800}.classroom-notices-dialog button:disabled{opacity:.5;cursor:not-allowed}.classroom-notices-list{background:#f7f9fc;padding:10px 24px}.classroom-notices-list>h3{color:var(--navy);font-size:17px}.classroom-notices-list article{border:1px solid #d5dde8;border-left:4px solid var(--blue);background:#fff;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:14px;margin:10px 0;padding:15px;display:grid}.classroom-notice-order{color:#fff;background:var(--navy);border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:13px;font-weight:900;display:inline-flex}.classroom-notice-copy{min-width:0}.classroom-notice-copy>header{align-items:baseline;gap:12px;display:flex}.classroom-notice-copy>header strong{color:#9a5a00;font-size:16px}.classroom-notice-copy>header time{color:var(--muted);font-size:12px}.classroom-notice-copy p{color:var(--text);overflow-wrap:anywhere;margin:7px 0 9px;font-size:18px;font-weight:800;line-height:1.5}.classroom-notice-copy small{color:#58677b;background:#eef1f5;border-radius:3px;padding:3px 7px;font-weight:800;display:inline-flex}.classroom-notice-copy small.received{color:#116f39;background:var(--green-soft)}.classroom-notices-list article>button{color:#a7242b;background:#fff;border:1px solid #c8494f;padding:9px 12px;font-size:13px;font-weight:800}.classroom-notices-empty{color:#8a96a7;flex-direction:column;justify-content:center;align-items:center;gap:9px;min-height:150px;display:flex}.classroom-notices-empty strong{color:var(--navy);font-size:20px}.classroom-notices-empty span{font-size:13px}.classroom-notices-dialog>footer{border-top:1px solid var(--line);flex:none;justify-content:space-between;align-items:center;gap:18px;padding:15px 24px;display:flex}.classroom-notices-dialog>footer span{color:var(--muted);font-size:13px}.classroom-notices-dialog>footer button{color:#fff;background:var(--blue);border:0;padding:10px 24px;font-weight:800}.classroom-notice-confirm{z-index:2;background:#06152894;justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.classroom-notice-confirm>section{width:min(520px,100%);box-shadow:var(--shadow);text-align:center;background:#fff;padding:24px}.classroom-notice-confirm h3{color:var(--navy);margin:0;font-size:23px}.classroom-notice-confirm p{text-align:left;overflow-wrap:anywhere;background:#f6f8fb;border:1px solid #d8e0ea;margin:14px 0 10px;padding:13px;font-size:16px;line-height:1.55}.classroom-notice-confirm p strong{color:#9a5a00}.classroom-notice-confirm small{color:var(--muted)}.classroom-notice-confirm footer{grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;display:grid}.classroom-notice-confirm footer button{color:var(--navy);background:#fff;border:1px solid #aebac9;padding:11px;font-weight:800}.classroom-notice-confirm footer button.danger{border-color:var(--red);color:#fff;background:var(--red)}.classroom-notice-confirm footer button.primary{border-color:var(--blue);color:#fff;background:var(--blue)}.reminder-dialog{width:min(980px,96vw);max-height:90vh;box-shadow:var(--shadow);background:#fff;overflow:auto}.reminder-dialog>header{border-bottom:1px solid var(--line);justify-content:space-between;gap:20px;padding:22px 24px 18px;display:flex}.reminder-dialog h2{color:var(--navy);margin:0 0 5px}.reminder-dialog header p{color:var(--muted);margin:0;font-size:13px}.reminder-dialog header button{color:var(--muted);background:0 0;border:0}.reminder-list{padding:4px 24px}.reminder-row{border-bottom:1px solid #e6eaf0;grid-template-columns:105px 150px minmax(220px,1fr) 42px 82px;align-items:center;gap:9px;padding:14px 0;display:grid}.reminder-row>input{min-width:0;color:var(--text);border:1px solid #cbd3df;padding:9px}.switch{width:38px;height:22px;position:relative}.switch input{opacity:0;position:absolute}.switch span{background:#b8c1ce;border-radius:12px;width:38px;height:22px;display:block;position:relative}.switch span:after{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:transform .18s;position:absolute;top:3px;left:3px}.switch input:checked+span{background:var(--green)}.switch input:checked+span:after{transform:translate(16px)}.test-reminder{border:1px solid var(--blue);color:var(--blue);background:#fff;padding:8px;font-size:13px}.reminder-dialog>footer{background:#f7f9fc;justify-content:space-between;align-items:center;gap:16px;padding:18px 24px;display:flex}.reminder-dialog footer small{color:var(--muted)}.reminder-dialog footer div{gap:9px;display:flex}.reminder-dialog footer button{padding:10px 18px;font-weight:700}.reminder-dialog .secondary{background:#fff;border:1px solid #b8c2d0}.reminder-dialog .primary{border:1px solid var(--blue);background:var(--blue);color:#fff}.teacher-links-dialog{width:min(1120px,96vw);max-height:92vh;box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex}.teacher-links-dialog>header{border-bottom:1px solid var(--line);justify-content:space-between;gap:20px;padding:21px 24px 17px;display:flex}.teacher-links-dialog h2{color:var(--navy);margin:0 0 5px}.teacher-links-dialog header p{color:var(--muted);margin:0;font-size:13px}.teacher-links-dialog header>button{color:var(--muted);background:0 0;border:0;align-self:flex-start}.teacher-link-grid{background:#f5f7fa;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;min-height:220px;padding:18px 24px;display:grid;overflow:auto}.teacher-link-card{background:#fff;border:1px solid #d4dce7;grid-template-columns:102px minmax(0,1fr);grid-template-areas:"identity identity""qr url""qr actions";gap:9px 12px;min-width:0;padding:14px;display:grid}.teacher-link-identity{border-bottom:1px solid #e5e9ef;grid-area:identity;justify-content:space-between;align-items:center;gap:10px;padding-bottom:9px;display:flex}.teacher-link-identity strong{color:var(--navy);font-size:17px}.teacher-link-identity span{color:#3f5e83;font-size:12px;font-weight:800}.teacher-qr{width:102px;height:102px;color:var(--muted);text-align:center;background:#fff;border:1px solid #d7dee7;grid-area:qr;justify-content:center;align-items:center;font-size:11px;display:flex}.teacher-qr img{object-fit:contain;width:100%;height:100%;display:block}.teacher-link-card>input{color:#526075;background:#f8fafc;border:1px solid #c8d2df;grid-area:url;align-self:end;min-width:0;padding:8px;font-size:11px}.teacher-link-actions{grid-area:actions;grid-template-columns:1fr 1fr;align-self:start;gap:7px;display:grid}.teacher-link-actions button{border:1px solid var(--blue);min-width:0;color:var(--blue);background:#fff;justify-content:center;align-items:center;gap:5px;padding:8px 5px;font-size:12px;font-weight:800;display:flex}.teacher-link-actions button.rotate{color:#536176;border-color:#aeb9c8}.teacher-link-actions button:disabled{opacity:.55}.teacher-links-state{min-height:260px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex}.teacher-links-state.error{color:var(--red)}.teacher-links-state button{border:1px solid var(--blue);color:var(--blue);background:#fff;padding:9px 15px}.teacher-links-dialog>footer{border-top:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;gap:18px;padding:14px 24px;display:flex}.teacher-links-dialog>footer span{color:var(--muted);font-size:12px}.teacher-links-dialog>footer button{color:#fff;background:var(--blue);border:0;padding:10px 24px;font-weight:800}.system-health-backdrop{z-index:76}.system-health-dialog{width:min(860px,96vw);max-height:90vh;color:var(--text);box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;position:relative;overflow:hidden}.system-health-dialog>header{border-bottom:1px solid var(--line);flex:none;justify-content:space-between;align-items:flex-start;gap:20px;padding:20px 24px 16px;display:flex}.system-health-dialog>header span{color:var(--amber);letter-spacing:.1em;margin-bottom:3px;font-size:12px;font-weight:900;display:block}.system-health-dialog>header h2{color:var(--navy);margin:0;font-size:27px}.system-health-dialog>header p{color:var(--muted);margin:5px 0 0;font-size:13px}.system-health-dialog>header button{color:var(--muted);background:0 0;border:0;padding:5px}.system-health-summary{color:var(--muted);background:#f5f7fa;flex:none;justify-content:space-between;align-items:center;gap:16px;padding:13px 24px;font-size:13px;display:flex}.system-health-overall{color:#647184;align-items:center;gap:9px;display:flex}.system-health-overall strong{color:var(--navy);font-size:16px}.health-dot{background:#98a3b2;border-radius:50%;flex:none;width:11px;height:11px;display:inline-block;box-shadow:0 0 0 4px #98a3b224}.green>.health-dot,.health-dot.green,.system-health-overall.green .health-dot{background:var(--green);box-shadow:0 0 0 4px #1b8f4c21}.yellow>.health-dot,.health-dot.yellow,.system-health-overall.yellow .health-dot{background:#d79300;box-shadow:0 0 0 4px #d7930024}.red>.health-dot,.health-dot.red,.system-health-overall.red .health-dot{background:var(--red);box-shadow:0 0 0 4px #c8373e21}.system-health-body{background:#fff;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;min-height:0;padding:16px 24px;display:grid;overflow:auto}.system-health-card{background:#fff;border:1px solid #d7dfe9;border-left:4px solid #9ba6b5;grid-template-columns:13px minmax(0,1fr);align-items:start;gap:11px;min-width:0;padding:14px;display:grid}.system-health-card.green{border-left-color:var(--green)}.system-health-card.yellow{background:#fffaf0;border-left-color:#d79300}.system-health-card.red{border-left-color:var(--red);background:#fff6f6}.system-health-card>.health-dot{margin-top:5px}.system-health-card header{justify-content:space-between;align-items:center;gap:10px;display:flex}.system-health-card h3{color:var(--navy);margin:0;font-size:16px}.system-health-card header b{color:#6f7b8c;flex:none;font-size:11px}.system-health-card.green header b{color:#11713a}.system-health-card.yellow header b{color:#9a6700}.system-health-card.red header b{color:#a7282e}.system-health-card p{color:#4c596b;margin:7px 0 0;font-size:14px;font-weight:700;line-height:1.45}.system-health-card small{color:var(--muted);margin-top:5px;font-size:12px;display:block}.system-health-card details{color:#607086;margin-top:8px;font-size:12px}.system-health-card details summary{cursor:pointer;font-weight:800}.system-health-card details span{overflow-wrap:anywhere;margin-top:5px;display:block}.system-health-devices{flex-wrap:wrap;gap:5px;margin-top:8px;display:flex}.system-health-devices>span{color:#4f5e72;background:#eef2f6;border-radius:3px;align-items:center;gap:6px;padding:4px 7px;font-size:11px;font-weight:700;display:inline-flex}.system-health-devices .health-dot{width:7px;height:7px;box-shadow:none}.system-health-empty{min-height:250px;color:var(--muted);flex-direction:column;grid-column:1/-1;justify-content:center;align-items:center;gap:9px;display:flex}.system-health-empty.error strong{color:var(--red);font-size:20px}.system-health-empty button{border:1px solid var(--blue);color:var(--blue);background:#fff;padding:9px 16px;font-weight:800}.system-health-dialog>footer{border-top:1px solid var(--line);background:#f7f9fc;flex:none;justify-content:flex-end;align-items:center;gap:9px;padding:14px 24px;display:flex}.system-health-dialog>footer button{justify-content:center;align-items:center;gap:7px;min-width:130px;padding:11px 16px;font-weight:800;display:inline-flex}.system-health-dialog>footer .secondary{color:var(--navy);background:#fff;border:1px solid #aeb9c8}.system-health-dialog>footer .primary{border:1px solid var(--blue);color:#fff;background:var(--blue)}.system-health-dialog button:disabled{opacity:.55;cursor:not-allowed}.system-health-test-results{background:#f5f8fc;border:1px solid #cdd8e6;grid-column:1/-1;padding:14px}.system-health-test-results h3{color:var(--navy);margin:0 0 9px;font-size:16px}.system-health-test-results>div{border-top:1px solid #dce3ec;grid-template-columns:12px minmax(150px,.6fr) minmax(0,1fr);align-items:center;gap:9px;padding:7px 0;font-size:13px;display:grid}.system-health-test-results>div:first-of-type{border-top:0}.system-health-test-results strong{color:var(--navy)}.system-health-test-error{color:#9f252b;background:var(--red-soft);grid-column:1/-1;margin:0;padding:11px 13px;font-size:13px;font-weight:800}.system-health-confirm{z-index:2;background:#0615289e;justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.system-health-confirm>section{width:min(500px,100%);box-shadow:var(--shadow);text-align:center;background:#fff;padding:24px}.system-health-confirm h3{color:var(--navy);margin:0;font-size:23px}.system-health-confirm p{color:#3e4b5d;margin:15px 0 9px;font-size:16px;font-weight:700;line-height:1.6}.system-health-confirm small{color:var(--muted)}.system-health-confirm footer{grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;display:grid}.system-health-confirm button{color:var(--navy);background:#fff;border:1px solid #acb8c7;padding:11px;font-weight:800}.system-health-confirm button.primary{border-color:var(--blue);color:#fff;background:var(--blue)}.system-test-overlay{z-index:110;color:#fff;background:var(--navy);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;display:flex;position:fixed;inset:0}.system-test-overlay>span{letter-spacing:.12em;border:1px solid #ffffff80;padding:7px 12px;font-size:18px;font-weight:800}.system-test-overlay>strong{font-size:clamp(64px,10vw,142px);line-height:1.1}.system-test-overlay>small{color:#c8d9ef;font-size:22px}.homework-modal-backdrop{z-index:72}.homework-representative-dialog,.homework-management-dialog,.homework-admin-action-dialog{max-height:92vh;color:var(--text);box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;overflow:hidden}.homework-representative-dialog.auth{width:min(480px,96vw)}.homework-representative-dialog.wide{width:min(1080px,96vw)}.homework-representative-dialog>header,.homework-management-dialog>header,.homework-admin-action-dialog>header{border-bottom:1px solid var(--line);flex:none;justify-content:space-between;align-items:flex-start;gap:22px;padding:20px 24px 17px;display:flex}.homework-representative-dialog>header>div>span,.homework-management-dialog>header>div>span,.homework-admin-action-dialog>header>div>span{color:var(--amber);letter-spacing:.12em;margin-bottom:4px;font-size:12px;font-weight:900;display:block}.homework-representative-dialog h2,.homework-management-dialog h2,.homework-admin-action-dialog h3{color:var(--navy);margin:0;font-size:26px}.homework-representative-dialog>header p,.homework-management-dialog>header p{color:var(--muted);margin:6px 0 0;font-size:13px}.homework-representative-dialog>header>button,.homework-management-dialog>header>button,.homework-admin-action-dialog>header>button{color:var(--muted);background:0 0;border:0;flex:none;padding:6px}.homework-pin-gate{text-align:center;flex-direction:column;align-items:stretch;padding:30px 34px 34px;display:flex}.homework-pin-gate>strong{color:var(--navy);font-size:21px}.homework-pin-gate>p{color:var(--muted);margin:8px 0 20px;font-size:14px;line-height:1.6}.homework-pin-gate>input{width:190px;color:var(--navy);letter-spacing:.36em;text-align:center;background:#f8fafc;border:1px solid #b9c5d3;align-self:center;padding:13px 16px;font-size:30px;font-weight:900}.homework-pin-unconfigured>p{margin-bottom:14px}.homework-pin-unconfigured>ol{width:min(340px,100%);color:var(--navy);text-align:left;background:#f4f7fb;align-self:center;margin:0;padding:15px 20px 15px 42px;font-size:16px;font-weight:800;line-height:1.9}.homework-pin-unconfigured>small{color:var(--muted);margin-top:14px;font-size:14px;line-height:1.6}.homework-primary-button{border:1px solid var(--blue);color:#fff;background:var(--blue);border-radius:4px;align-self:center;min-width:190px;margin-top:18px;padding:12px 18px;font-weight:800}.homework-form-error{color:var(--red);margin:12px 0 0;font-size:14px;font-weight:700;display:block}.homework-dialog-tabs{border-bottom:1px solid var(--line);flex:none;gap:24px;padding:0 24px;display:flex}.homework-dialog-tabs button{color:#536176;background:0 0;border:0;border-bottom:3px solid #0000;padding:14px 4px 12px;font-size:17px;font-weight:800}.homework-dialog-tabs button.active{color:var(--navy);border-color:var(--blue)}.homework-representative-body,.homework-admin-action-body{flex:auto;min-height:0;padding:20px 24px;overflow:auto}.homework-form-row{grid-template-columns:1fr;gap:14px;margin-bottom:18px;display:grid}.homework-form-row.two-columns{grid-template-columns:minmax(190px,.38fr) minmax(300px,1fr)}.homework-form-row label,.homework-assignment-select{color:#48556a;grid-template-columns:92px minmax(0,1fr);align-items:center;gap:10px;font-size:15px;font-weight:800;display:grid}.homework-form-row input,.homework-form-row select,.homework-assignment-select select{min-width:0;color:var(--text);background:#fff;border:1px solid #bcc8d7;padding:11px 12px;font-size:16px}.homework-assignment-select{margin-bottom:16px}.homework-student-picker{background:#f8fafc;border:1px solid #d4dce6}.homework-picker-toolbar{background:#fff;border-bottom:1px solid #d6dee8;grid-template-columns:minmax(240px,1fr) auto auto auto;align-items:center;gap:10px;padding:12px;display:grid}.homework-picker-search{color:#7a8798;border:1px solid #bcc8d7;align-items:center;gap:9px;min-width:0;padding:9px 11px;display:flex}.homework-picker-search input{min-width:0;color:var(--text);background:0 0;border:0;outline:0;flex:1;font-size:16px}.homework-picker-toolbar>span{color:var(--navy);white-space:nowrap;font-size:14px;font-weight:800}.homework-picker-toolbar>button{color:var(--navy);white-space:nowrap;background:#fff;border:1px solid #aebccd;padding:9px 10px;font-size:13px;font-weight:700}.homework-picker-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;max-height:390px;padding:12px;display:grid;overflow:auto}.homework-picker-grid label{min-width:0;min-height:64px;color:var(--text);cursor:pointer;background:#fff;border:1px solid #cbd4e0;border-radius:4px;grid-template-columns:20px 30px minmax(0,1fr);align-items:center;gap:6px;padding:8px 9px;display:grid}.homework-picker-grid label.selected{border:2px solid var(--blue);background:#edf5ff;padding:7px 8px}.homework-picker-grid input{accent-color:var(--blue)}.homework-picker-grid label>span{color:var(--muted);font-size:15px}.homework-picker-grid label>strong{min-width:0;color:var(--navy);text-overflow:ellipsis;white-space:nowrap;font-size:17px;overflow:hidden}.homework-picker-empty{color:var(--muted);text-align:center;margin:0;padding:36px 18px}.homework-edit-note{border-left:4px solid var(--amber);color:#69502a;background:#fff8e8;margin:12px 0 0;padding:10px 12px;font-size:13px;line-height:1.55}.homework-dialog-empty{color:var(--muted);text-align:center;padding:54px 20px}.homework-dialog-empty strong{color:var(--navy);font-size:22px}.homework-dialog-empty p{margin:8px 0 0}.homework-dialog-footer,.homework-admin-action-dialog>footer{border-top:1px solid var(--line);background:#f7f9fc;flex:none;justify-content:space-between;align-items:center;gap:18px;padding:15px 24px;display:flex}.homework-dialog-footer>span,.homework-admin-action-dialog>footer>span{color:var(--muted);font-size:14px}.homework-dialog-footer>div,.homework-admin-action-dialog>footer>div{gap:9px;display:flex}.homework-dialog-footer button,.homework-admin-action-dialog>footer button{border-radius:4px;min-width:112px;padding:11px 16px;font-weight:800}.homework-dialog-footer .secondary,.homework-admin-action-dialog .secondary{color:var(--navy);background:#fff;border:1px solid #aebac9}.homework-dialog-footer .primary,.homework-admin-action-dialog .primary{border:1px solid var(--blue);color:#fff;background:var(--blue)}.homework-confirm-backdrop,.homework-nested-backdrop{z-index:82;background:#0615289e;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.homework-confirm-dialog{width:min(520px,96vw);max-height:88vh;color:var(--text);box-shadow:var(--shadow);text-align:center;background:#fff;padding:27px 26px 22px;overflow:auto}.homework-confirm-icon{color:#fff;background:var(--navy);border-radius:50%;justify-content:center;align-items:center;width:58px;height:58px;margin:0 auto 13px;display:flex}.homework-confirm-dialog h3{color:var(--navy);margin:0;font-size:24px}.homework-confirm-dialog>p{color:#4d5b70;margin:10px 0 14px;line-height:1.55}.homework-confirm-names{background:#f7f9fc;border:1px solid #d4dce6;flex-wrap:wrap;justify-content:center;gap:8px;max-height:210px;padding:13px;display:flex;overflow:auto}.homework-confirm-names strong{color:var(--navy);background:#fff;border:1px solid #b9c9dd;padding:6px 9px;font-size:16px}.homework-confirm-dialog>small{color:var(--muted);margin-top:13px;display:block}.homework-confirm-dialog>footer{grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;display:grid}.homework-confirm-dialog>footer button{border-radius:4px;padding:12px;font-weight:800}.homework-confirm-dialog .secondary{color:var(--navy);background:#fff;border:1px solid #acb9c8}.homework-confirm-dialog .primary{border:1px solid var(--blue);color:#fff;background:var(--blue)}.homework-management-dialog{width:min(1320px,98vw);height:min(900px,94vh)}.homework-management-dialog>header{align-items:center}.homework-management-dialog>header>div:first-child{min-width:230px}.homework-management-summary{background:#f3f7fc;border:1px solid #bfd0e2;grid-template-columns:auto auto auto auto;align-items:baseline;gap:5px 10px;margin-left:auto;padding:9px 15px;display:grid}.homework-management-summary strong{color:var(--blue);font-size:24px}.homework-management-summary span{color:var(--muted);font-size:12px}.homework-management-tabs{border-bottom:1px solid var(--line);flex:none;gap:30px;padding:0 24px;display:flex}.homework-management-tabs button{color:#526075;background:0 0;border:0;border-bottom:3px solid #0000;padding:15px 4px 13px;font-size:17px;font-weight:800}.homework-management-tabs button.active{color:var(--navy);border-color:var(--blue)}.homework-management-filters{border-bottom:1px solid var(--line);background:#f7f9fc;flex:none;grid-template-columns:150px 170px minmax(230px,1fr) auto auto;align-items:end;gap:10px;padding:14px 20px;display:grid}.homework-management-filters.with-status{grid-template-columns:140px 160px 150px minmax(220px,1fr) auto auto}.homework-management-filters>label{color:#5b687a;gap:5px;font-size:12px;font-weight:800;display:grid}.homework-management-filters select,.homework-management-filters input{min-width:0;height:39px;color:var(--text);background:#fff;border:1px solid #bbc7d5;padding:8px 9px}.homework-management-search>div{color:#7b8798;background:#fff;border:1px solid #bbc7d5;align-items:center;gap:8px;min-width:0;height:39px;padding:0 9px;display:flex}.homework-management-search>div input{border:0;outline:0;flex:1;height:auto;padding:0}.homework-management-filters>button{height:39px;color:var(--navy);white-space:nowrap;background:#fff;border:1px solid #acb9c8;justify-content:center;align-items:center;gap:6px;padding:0 11px;font-size:13px;font-weight:800;display:inline-flex}.homework-management-table-wrap{border:1px solid var(--line);background:#fff;flex:auto;min-height:0;margin:16px 20px 0;overflow:auto}.homework-management-table{border-collapse:collapse;width:100%;min-width:1000px}.homework-management-table th{z-index:2;border-bottom:1px solid var(--line);color:#42506a;text-align:left;background:#eef2f7;padding:11px 12px;font-size:13px;position:sticky;top:0}.homework-management-table td{vertical-align:top;border-bottom:1px solid #e4e9ef;padding:13px 12px;font-size:14px}.homework-management-table td:first-child time,.homework-management-table td:first-child small,.homework-management-table td:nth-child(4) small{white-space:nowrap;display:block}.homework-management-table td:first-child small,.homework-management-table td:nth-child(4) small{color:var(--muted);margin-top:5px;font-size:11px}.homework-management-table td:nth-child(2) strong{color:var(--navy);margin-top:6px;font-size:16px;display:block}.homework-table-subject{color:#795000;background:#fff3da;padding:3px 7px;font-size:12px;font-weight:900;display:inline-flex}.homework-table-students{flex-wrap:wrap;gap:6px;max-width:430px;display:flex}.homework-table-students span{color:var(--navy);background:#f5f8fc;border:1px solid #c7d4e2;padding:4px 7px;font-size:13px;font-weight:700}.homework-table-students.history{min-width:320px}.homework-table-students.history>span{gap:3px;display:grid}.homework-table-students.history>span>b{font-size:13px}.homework-table-students.history>span>small{color:var(--muted);white-space:nowrap;font-size:10px;font-weight:600}.homework-table-students.history>span.submitted{background:var(--green-soft);border-color:#b8d9c2}.homework-table-students.history>span.removed{color:#58677b;background:#f1f3f6;border-color:#d3d9e1}.homework-table-students.history>span.missing{background:#fff7e5;border-color:#e3c17f}.homework-table-students em{color:var(--muted);font-style:normal}.homework-table-status{white-space:nowrap;border-radius:3px;padding:5px 8px;font-size:12px;font-weight:900;display:inline-flex}.homework-table-status.missing{color:#8a4e00;background:#fff0d2}.homework-table-status.completed{color:#116f39;background:var(--green-soft)}.homework-table-status.archived{color:#566578;background:#eef1f5}.homework-table-actions{flex-wrap:wrap;gap:6px;min-width:185px;display:flex}.homework-table-actions button{color:#164c88;background:#fff;border:1px solid #9db6d2;padding:6px 8px;font-size:12px;font-weight:800}.homework-table-actions button.danger{color:#a52b32;border-color:#d8a3a7}.homework-management-table-wrap>footer{color:var(--muted);background:#f7f9fc;padding:10px 12px;font-size:12px}.homework-management-empty{color:var(--muted);text-align:center;padding:62px 20px}.homework-management-empty strong{color:var(--navy);font-size:20px}.homework-management-empty p{margin:8px 0 0}.homework-management-footer{border-top:1px solid var(--line);background:#fff;flex:none;justify-content:space-between;align-items:center;gap:16px;padding:13px 20px;display:flex}.homework-management-footer span{color:var(--muted);font-size:12px}.homework-management-footer button{color:#fff;background:var(--blue);border:0;min-width:110px;padding:10px 20px;font-weight:800}.homework-settings-panel{background:#f5f7fa;flex:auto;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:16px;min-height:0;padding:20px;display:grid;overflow:auto}.homework-settings-panel>section{background:#fff;border:1px solid #d1dae5;padding:20px}.homework-settings-panel>section.homework-archive-settings{grid-column:1/-1}.homework-settings-heading{border-bottom:1px solid #e0e6ed;justify-content:space-between;align-items:baseline;gap:14px;padding-bottom:11px;display:flex}.homework-settings-heading h3{color:var(--navy);margin:0;font-size:20px}.homework-settings-heading span{color:var(--muted);font-size:12px}.homework-settings-panel section>p{color:#5b687a;font-size:13px;line-height:1.6}.homework-pin-settings{grid-template-columns:1fr 1fr auto;align-items:end;gap:10px;margin-top:16px;display:grid}.homework-pin-settings label{color:#536176;gap:5px;font-size:12px;font-weight:800;display:grid}.homework-pin-settings input,.homework-add-subject input{border:1px solid #bac6d4;min-width:0;padding:10px}.homework-pin-settings button,.homework-add-subject button{border:1px solid var(--blue);color:#fff;background:var(--blue);white-space:nowrap;padding:10px 15px;font-weight:800}.homework-subject-tags{flex-wrap:wrap;gap:8px;margin:16px 0;display:flex}.homework-subject-tags span{color:var(--navy);background:#f4f8fc;border:1px solid #c2cfdd;padding:7px 10px;font-weight:800}.homework-add-subject{grid-template-columns:minmax(0,1fr) auto;gap:8px;display:grid}.homework-archive-settings>div:last-child{gap:10px;margin-top:14px;display:flex}.homework-archive-settings button{color:var(--navy);background:#fff;border:1px solid #9fb3ca;align-items:center;gap:7px;padding:10px 15px;font-weight:800;display:inline-flex}.homework-archive-settings button.danger{border-color:var(--red);color:#fff;background:var(--red)}.homework-settings-panel>.homework-form-error{background:var(--red-soft);border:1px solid #e1b5b8;grid-column:1/-1;margin:-4px 0 0;padding:10px 12px}.homework-admin-action-dialog{width:min(1040px,96vw)}.homework-action-description{color:#5b687a;margin:0 0 15px}.homework-action-description strong{color:var(--navy);font-size:18px}.homework-feedback-management-dialog{width:min(1240px,98vw);height:min(900px,94vh);color:var(--text);box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;position:relative;overflow:hidden}.homework-feedback-management-dialog>header{border-bottom:1px solid var(--line);flex:none;justify-content:space-between;align-items:flex-start;gap:18px;padding:20px 24px 16px;display:flex}.homework-feedback-management-dialog>header span{color:var(--amber);letter-spacing:.12em;margin-bottom:4px;font-size:12px;font-weight:900;display:block}.homework-feedback-management-dialog>header h2{color:var(--navy);margin:0;font-size:27px}.homework-feedback-management-dialog>header p{color:var(--muted);margin:6px 0 0;font-size:13px}.homework-feedback-management-dialog>header button{color:var(--muted);background:0 0;border:0;padding:5px}.homework-feedback-management-dialog>nav{border-bottom:1px solid var(--line);flex:none;gap:28px;padding:0 24px;display:flex}.homework-feedback-management-dialog>nav button{color:#536176;background:0 0;border:0;border-bottom:3px solid #0000;padding:14px 3px 12px;font-size:16px;font-weight:800}.homework-feedback-management-dialog>nav button.active{color:var(--navy);border-color:var(--blue)}.homework-feedback-management-dialog>nav b{color:#315270;background:#e9f0f8;border-radius:10px;justify-content:center;min-width:21px;margin-left:5px;padding:2px 6px;font-size:11px;display:inline-flex}.homework-feedback-management-dialog>footer{border-top:1px solid var(--line);flex:none;justify-content:space-between;align-items:center;gap:18px;padding:13px 24px;display:flex}.homework-feedback-management-dialog>footer span{color:var(--muted);font-size:12px}.homework-feedback-management-dialog>footer button{color:#fff;background:var(--blue);border:0;min-width:100px;padding:10px 20px;font-weight:800}.homework-feedback-today,.homework-feedback-history{background:#f5f7fa;flex:auto;min-height:0;padding:18px 22px;overflow:auto}.homework-feedback-day-card{background:#fff;border:1px solid #ccd6e2;min-height:100%;box-shadow:0 8px 22px #082b590f}.homework-feedback-day-card>header{color:#fff;background:var(--navy);justify-content:space-between;align-items:center;gap:18px;padding:17px 20px;display:flex}.homework-feedback-day-card>header div{align-items:baseline;gap:12px;display:flex}.homework-feedback-day-card>header span{color:#ffc342;font-size:13px;font-weight:900}.homework-feedback-day-card>header strong{font-size:21px}.homework-feedback-day-card>header small{color:#d7e3f2}.homework-feedback-subject-group{padding:18px 20px 4px}.homework-feedback-subject-group+.homework-feedback-subject-group{border-top:7px solid #f3f5f8}.homework-feedback-subject-group>h3{color:var(--navy);align-items:center;gap:10px;margin:0 0 12px;font-size:22px;display:flex}.homework-feedback-subject-group>h3 span{color:#6b788a;background:#edf1f6;padding:3px 7px;font-size:11px}.homework-feedback-record{border:1px solid #d8e0e9;border-left:4px solid var(--blue);background:#fff;padding:14px 15px}.homework-feedback-record+.homework-feedback-record{margin-top:11px}.homework-feedback-record>header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.homework-feedback-record>header>div:first-child strong,.homework-feedback-record>header>div:first-child span{display:block}.homework-feedback-record>header>div:first-child strong{color:var(--navy);font-size:19px}.homework-feedback-record>header>div:first-child span{color:var(--muted);margin-top:4px;font-size:12px}.homework-feedback-record>header>div:last-child{gap:7px;display:flex}.homework-feedback-record>header button{color:var(--navy);background:#fff;border:1px solid #aebccd;align-items:center;gap:5px;padding:7px 9px;font-size:12px;font-weight:800;display:inline-flex}.homework-feedback-record>header button.danger{color:#a7242b;border-color:#d89b9f}.homework-feedback-record-groups{gap:7px;margin-top:12px;display:grid}.homework-feedback-record-groups section{grid-template-columns:95px minmax(0,1fr);align-items:start;gap:10px;display:grid}.homework-feedback-record-groups b{font-size:13px}.homework-feedback-record-groups .excellent b{color:var(--green)}.homework-feedback-record-groups .careless b{color:#966200}.homework-feedback-record-groups .missing b{color:var(--red)}.homework-feedback-record-groups p{color:#334257;margin:0;font-size:15px;font-weight:700;line-height:1.5}.homework-feedback-record blockquote{color:#425168;background:#f4f6f9;border-left:3px solid #859ab4;margin:11px 0 0;padding:9px 11px;font-size:14px;line-height:1.5}.homework-feedback-filters{background:#fff;border:1px solid #d5dde7;grid-template-columns:180px 160px minmax(220px,1fr) auto;align-items:end;gap:10px;margin-bottom:14px;padding:13px;display:grid}.homework-feedback-filters label{color:#536176;gap:5px;font-size:12px;font-weight:800;display:grid}.homework-feedback-filters input,.homework-feedback-filters select{background:#fff;border:1px solid #bac6d4;min-width:0;height:39px;padding:8px 9px}.homework-feedback-filters>button{height:39px;color:var(--navy);background:#fff;border:1px solid #aebccd;padding:0 13px;font-weight:800}.homework-feedback-history-list{gap:11px;display:grid}.homework-feedback-history-row{background:#fff;border:1px solid #d4dce6;grid-template-columns:155px minmax(0,1fr);display:grid}.homework-feedback-history-date{background:#f3f6f9;border-right:1px solid #e0e5ec;padding:16px}.homework-feedback-history-date time,.homework-feedback-history-date strong{display:block}.homework-feedback-history-date time{color:var(--muted);font-size:12px}.homework-feedback-history-date strong{color:var(--navy);margin-top:7px;font-size:20px}.homework-feedback-history-row>.homework-feedback-record{border:0;border-left:4px solid var(--blue)}.homework-feedback-empty{min-height:220px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.homework-feedback-empty strong{color:var(--navy);font-size:21px}.homework-feedback-empty p{margin:7px 0 0}.homework-feedback-edit-dialog{width:min(1040px,96vw);max-height:90vh;box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;overflow:hidden}.homework-feedback-edit-dialog>header{border-bottom:1px solid var(--line);justify-content:space-between;gap:15px;padding:19px 22px 15px;display:flex}.homework-feedback-edit-dialog>header span{color:var(--amber);font-size:12px;font-weight:900}.homework-feedback-edit-dialog h3{color:var(--navy);margin:3px 0 0;font-size:25px}.homework-feedback-edit-dialog>header button{color:var(--muted);background:0 0;border:0}.homework-feedback-edit-body{min-height:0;padding:16px 20px;overflow:auto}.homework-feedback-edit-fields{grid-template-columns:150px minmax(240px,1fr) minmax(280px,1.2fr);gap:10px;display:grid}.homework-feedback-edit-fields label{color:#536176;gap:5px;font-size:12px;font-weight:800;display:grid}.homework-feedback-edit-fields input,.homework-feedback-edit-fields select,.homework-feedback-edit-fields textarea{min-width:0;font:inherit;background:#fff;border:1px solid #bac6d4;padding:9px}.homework-feedback-edit-categories{grid-template-columns:repeat(3,1fr);gap:9px;margin:14px 0 10px;display:grid}.homework-feedback-edit-categories button{color:#536176;background:#fff;border:1px solid #c2ccd8;justify-content:center;align-items:center;gap:8px;padding:11px;font-weight:800;display:flex}.homework-feedback-edit-categories button.active{color:var(--navy);background:#f2f6fb;border-width:2px}.homework-feedback-edit-categories .excellent.active{border-color:var(--green)}.homework-feedback-edit-categories .careless.active{border-color:#c08416}.homework-feedback-edit-categories .missing.active{border-color:var(--red)}.homework-feedback-edit-search{color:var(--muted);border:1px solid #bbc7d5;align-items:center;gap:8px;padding:9px 11px;display:flex}.homework-feedback-edit-search input{border:0;outline:0;flex:1}.homework-feedback-edit-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:7px;margin-top:10px;display:grid}.homework-feedback-edit-grid button{min-height:61px;color:var(--text);text-align:left;background:#fff;border:1px solid #ccd5e0;grid-template-columns:28px minmax(0,1fr);align-items:center;gap:4px;padding:6px;display:grid}.homework-feedback-edit-grid button>span{color:var(--muted);font-size:12px}.homework-feedback-edit-grid button>strong{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.homework-feedback-edit-grid button>small{text-align:center;grid-column:1/-1;font-size:10px;font-weight:800}.homework-feedback-edit-grid button.excellent{border:2px solid var(--green);background:var(--green-soft)}.homework-feedback-edit-grid button.careless{background:#fff8e8;border:2px solid #c08416}.homework-feedback-edit-grid button.missing{border:2px solid var(--red);background:var(--red-soft)}.homework-feedback-edit-dialog>footer{border-top:1px solid var(--line);background:#f7f9fc;justify-content:space-between;align-items:center;gap:15px;padding:14px 20px;display:flex}.homework-feedback-edit-dialog>footer>span{color:var(--muted);font-size:13px}.homework-feedback-edit-dialog>footer>div{gap:8px;display:flex}.homework-feedback-edit-dialog>footer button{min-width:110px;padding:10px 15px;font-weight:800}.homework-feedback-edit-dialog .secondary{color:var(--navy);background:#fff;border:1px solid #aebccd}.homework-feedback-edit-dialog .primary{border:1px solid var(--blue);color:#fff;background:var(--blue)}.mobile-shell{max-width:520px;min-height:100vh;padding:max(18px, env(safe-area-inset-top)) 18px calc(132px + env(safe-area-inset-bottom));color:var(--text);background:#fff;margin:0 auto}.mobile-header{padding:1px 2px 15px}.mobile-header>p{color:var(--muted);text-align:center;letter-spacing:.08em;margin:0 0 13px;font-size:12px;font-weight:700}.mobile-principal-row{justify-content:center;align-items:center;gap:10px;margin-bottom:11px;display:flex}.mobile-principal-row span{color:#fff;background:var(--navy);border-radius:3px;padding:4px 8px;font-size:12px;font-weight:800}.mobile-principal-row h1{color:var(--navy);margin:0;font-size:25px}.mobile-lesson-row{border-top:1px solid #e4e8ef;justify-content:space-between;align-items:center;gap:12px;padding-top:12px;display:flex}.mobile-lesson-row strong{font-size:17px}.mobile-lesson-row button{color:var(--blue);background:0 0;border:0;align-items:center;padding:7px 0;font-size:14px;display:flex}.mobile-header small{color:var(--muted);margin-top:2px;font-size:12px;display:block}.mobile-tabs{z-index:8;background:#f4f7fbf7;border:1px solid #cbd5e2;border-radius:7px;grid-template-columns:repeat(4,minmax(0,1fr));padding:4px;display:grid;position:sticky;top:0;box-shadow:0 5px 15px #082b590f}.mobile-tabs button{color:#536176;background:0 0;border:0;border-radius:5px;padding:11px 8px;font-size:15px;font-weight:800}.mobile-tabs button.active{color:#fff;background:var(--navy);box-shadow:0 3px 8px #082b592e}.mobile-tab-intro{justify-content:space-between;align-items:baseline;gap:10px;margin-top:18px;display:flex}.mobile-tab-intro strong{color:var(--navy);font-size:17px}.mobile-tab-intro span{color:var(--muted);text-align:right;font-size:12px}.mobile-search{border-radius:5px;margin-top:11px;padding:11px 13px}.mobile-search input{font-size:16px}.mobile-student-grid{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px;display:grid}.mobile-student-grid button{min-width:0;height:72px;color:var(--text);background:#fff;border:1px solid #cfd6e0;border-radius:5px;flex-direction:column;justify-content:center;align-items:center;gap:4px;display:flex;position:relative}.mobile-student-grid button strong{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:15px;overflow:hidden}.mobile-student-grid button span{color:var(--muted);font-size:13px}.mobile-student-grid button.selected{border:2px solid var(--blue);background:#f4f8ff}.mobile-office .mobile-student-grid button.selected{border-color:var(--navy);background:#eef3f9}.mobile-student-grid button>i{background:var(--blue);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;display:flex;position:absolute;top:-5px;right:-5px}.mobile-office .mobile-student-grid button>i{background:var(--navy)}.mobile-notice-allday{color:var(--green);align-items:center;gap:6px;font-size:13px;font-weight:800;display:inline-flex}.mobile-notice-workspace{margin-top:12px}.mobile-notice-editor{border:1px solid #cbd5e2;border-top:4px solid var(--blue);background:#f8fbff;padding:14px;display:block}.mobile-notice-editor.invalid{border-color:#e3a7aa;border-top-color:var(--red);background:snow}.mobile-notice-editor>span{color:var(--navy);margin-bottom:8px;font-size:14px;font-weight:900;display:block}.mobile-notice-editor textarea{resize:vertical;width:100%;min-height:112px;color:var(--text);font:inherit;background:#fff;border:1px solid #bfcbd9;border-radius:4px;outline:0;padding:12px;font-size:17px;line-height:1.6;display:block}.mobile-notice-editor textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1769d21f}.mobile-notice-editor>small{color:var(--muted);justify-content:space-between;align-items:flex-start;gap:12px;margin-top:8px;font-size:12px;line-height:1.45;display:flex}.mobile-notice-editor>small>span{flex:1}.mobile-notice-editor>small>strong{color:#536176;font-variant-numeric:tabular-nums;white-space:nowrap}.mobile-notice-editor>small>strong.near-limit{color:var(--red)}.mobile-notice-preview{color:#fff;background:#061f43;border:1px solid #183f70;margin-top:12px;padding:13px 14px}.mobile-notice-preview>span{color:#b9cce5;font-size:12px;font-weight:800}.mobile-notice-preview p{overflow-wrap:anywhere;margin:9px 0 7px;font-size:18px;line-height:1.55}.mobile-notice-preview p strong{color:#ffc342}.mobile-notice-preview small{color:#c7d5e7;font-size:12px}.mobile-notice-list{margin-top:22px;padding-bottom:8px}.mobile-notice-list>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:8px;display:flex}.mobile-notice-list h2{color:var(--navy);margin:0;font-size:17px}.mobile-notice-list>header span{color:var(--muted);font-size:12px}.mobile-notice-list article{border-bottom:1px solid #e4e9f0;padding:13px 0}.mobile-notice-list article>div{justify-content:space-between;align-items:center;gap:10px;display:flex}.mobile-notice-list article time{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.mobile-notice-list article div>span{color:#58677b;background:#eef1f5;border-radius:3px;padding:3px 7px;font-size:11px;font-weight:800}.mobile-notice-list article div>span.received{color:#116f39;background:var(--green-soft)}.mobile-notice-list article p{color:var(--text);overflow-wrap:anywhere;margin:9px 0;font-size:16px;font-weight:700;line-height:1.55}.mobile-notice-list article>button{color:#a7242b;background:#fff;border:1px solid #c8494f;border-radius:4px;padding:8px 10px;font-size:13px;font-weight:800}.mobile-homework{padding-bottom:calc(30px + env(safe-area-inset-bottom))}.mobile-homework-workspace{margin-top:12px}.mobile-homework-editor{border:1px solid #cbd5e2;border-top:4px solid var(--blue);background:#f8fbff}.mobile-homework-editor>header{border-bottom:1px solid #dbe3ed;justify-content:space-between;align-items:center;gap:10px;padding:13px 14px;display:flex}.mobile-homework-editor>header div span,.mobile-homework-editor>header div strong{display:block}.mobile-homework-editor>header div span{color:var(--amber);letter-spacing:.1em;font-size:11px;font-weight:900}.mobile-homework-editor>header div strong{color:var(--navy);margin-top:3px;font-size:18px}.mobile-homework-editor>header button{color:var(--navy);background:#fff;border:1px solid #aebccd;padding:7px 9px;font-size:12px;font-weight:800}.mobile-homework-field{padding:12px 14px 0;display:block}.mobile-homework-field>span{color:var(--navy);align-items:center;gap:7px;margin-bottom:6px;font-size:13px;font-weight:900;display:flex}.mobile-homework-field>span b{color:var(--red);font-size:10px}.mobile-homework-field>span small{color:var(--muted);font-size:10px}.mobile-homework-field input,.mobile-homework-field textarea{width:100%;color:var(--text);font:inherit;background:#fff;border:1px solid #bfcbd9;border-radius:4px;outline:0;padding:10px 11px;font-size:16px;line-height:1.5;display:block}.mobile-homework-field textarea{resize:vertical}.mobile-homework-field>small{color:var(--muted);text-align:right;margin-top:4px;font-size:10px;display:block}.mobile-homework-category-tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:13px 14px 0;display:grid}.mobile-homework-category-tabs button{color:#526176;background:#fff;border:1px solid #bec9d6;border-radius:4px;justify-items:center;gap:3px;min-width:0;padding:9px 4px;font-size:12px;font-weight:800;display:grid}.mobile-homework-category-tabs button b{min-width:20px;color:inherit;background:#edf1f5;border-radius:9px;padding:2px 5px;font-size:10px}.mobile-homework-category-tabs button.active{border-width:2px;padding:8px 3px}.mobile-homework-category-tabs .excellent.active{border-color:var(--green);color:#126637;background:#effaf3}.mobile-homework-category-tabs .careless.active{color:#795000;background:#fff8e8;border-color:#c08416}.mobile-homework-category-tabs .missing.active{border-color:var(--red);color:#9c252c;background:#fff1f2}.mobile-homework-tip{color:var(--muted);margin:8px 14px 0;font-size:11px;line-height:1.5}.mobile-homework-search{background:#fff;margin:10px 14px 0}.mobile-homework-student-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;max-height:330px;padding:10px 14px 14px;display:grid;overflow:auto}.mobile-homework-student-grid button{min-width:0;min-height:67px;color:var(--text);background:#fff;border:1px solid #ccd5e0;border-radius:4px;flex-direction:column;justify-content:center;align-items:center;gap:2px;display:flex;position:relative}.mobile-homework-student-grid button strong{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:14px;overflow:hidden}.mobile-homework-student-grid button>span{color:var(--muted);font-size:11px}.mobile-homework-student-grid button>small{margin-top:2px;font-size:9px;font-weight:900}.mobile-homework-student-grid button.excellent{border:2px solid var(--green);color:#126637;background:#effaf3}.mobile-homework-student-grid button.careless{color:#795000;background:#fff8e8;border:2px solid #c08416}.mobile-homework-student-grid button.missing{border:2px solid var(--red);color:#9c252c;background:#fff1f2}.mobile-homework-submit-row{background:#fff;border-top:1px solid #dbe3ed;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px 14px;display:grid}.mobile-homework-submit-row span{color:var(--muted);font-size:11px;line-height:1.45}.mobile-homework-submit-row button{color:#fff;background:var(--blue);border:0;border-radius:4px;padding:12px 15px;font-weight:900}.mobile-homework-submit-row button:disabled{opacity:.65;background:#9aabc0}.mobile-homework-history{margin-top:22px}.mobile-homework-history>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:8px;display:flex}.mobile-homework-history>header h2{color:var(--navy);margin:0;font-size:17px}.mobile-homework-history>header span{color:var(--muted);font-size:12px}.mobile-homework-history>article{border:1px solid #d4dce7;border-left:4px solid var(--blue);background:#fff;margin-top:10px;padding:13px}.mobile-homework-history>article>header{justify-content:space-between;gap:10px;display:flex}.mobile-homework-history>article>header div strong,.mobile-homework-history>article>header div time{display:block}.mobile-homework-history>article>header div strong{color:var(--navy);font-size:16px}.mobile-homework-history>article>header div time{color:var(--muted);margin-top:3px;font-size:10px}.mobile-homework-history>article>header>span{color:#496684;font-size:11px;font-weight:800}.mobile-homework-history article>p{grid-template-columns:76px minmax(0,1fr);gap:6px;margin:9px 0 0;font-size:12px;line-height:1.5;display:grid}.mobile-homework-history article>p.excellent b{color:var(--green)}.mobile-homework-history article>p.careless b{color:#946100}.mobile-homework-history article>p.missing b{color:var(--red)}.mobile-homework-history blockquote{color:#425168;background:#f4f6f9;border-left:3px solid #8297b0;margin:9px 0 0;padding:8px 10px;font-size:12px;line-height:1.5}.mobile-homework-history article>footer{border-top:1px solid #e5e9ef;justify-content:flex-end;gap:7px;margin-top:11px;padding-top:9px;display:flex}.mobile-homework-history article>footer button{color:var(--navy);background:#fff;border:1px solid #aebccd;align-items:center;gap:4px;padding:7px 9px;font-size:11px;font-weight:800;display:inline-flex}.mobile-homework-history article>footer button.danger{color:#a7242b;border-color:#d89b9f}.mobile-history{margin-top:24px;padding-bottom:8px}.mobile-history>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:8px;display:flex}.mobile-history h2{color:var(--navy);margin:0;font-size:17px}.mobile-history>header span{color:var(--muted);font-size:12px}.mobile-history-list{overscroll-behavior:contain;max-height:360px;overflow:auto}.mobile-history-row{content-visibility:auto;border-bottom:1px solid #e8ebf0;grid-template-columns:44px minmax(0,1fr) auto 38px;align-items:center;gap:7px;padding:10px 0;font-size:13px;display:grid}.mobile-history-row time,.mobile-command-row time{color:var(--muted);font-variant-numeric:tabular-nums}.mobile-history-row>div{min-width:0}.mobile-history-row>div strong,.mobile-history-row>div small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.mobile-history-row>div small{color:var(--muted);margin-top:3px;font-size:11px}.mobile-history-row>span{white-space:nowrap;font-weight:800}.mobile-history-row>span.good{color:var(--green)}.mobile-history-row>span.bad{color:var(--red)}.mobile-history-row>button{color:var(--blue);background:0 0;border:0;padding:6px 0;font-size:12px}.mobile-command-row{content-visibility:auto;border-bottom:1px solid #e8ebf0;padding:11px 0}.mobile-command-row>div{align-items:baseline;gap:10px;display:flex}.mobile-command-row>div strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:13px;overflow:hidden}.mobile-command-row>span{color:#48627f;background:#edf3fb;border-radius:3px;margin:7px 0 0 44px;padding:3px 7px;font-size:11px;font-weight:800;display:inline-block}.mobile-command-row>span.received{color:#115db6;background:#edf5ff}.mobile-command-row>span.played{color:#116f39;background:var(--green-soft)}.mobile-command-row>span.expired{color:#9f2930;background:var(--red-soft)}.mobile-empty{color:var(--muted);text-align:center;margin:0;padding:22px 8px;font-size:13px}.mobile-actions{z-index:20;width:min(520px,100%);padding:8px 18px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fffffffa;position:fixed;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 -8px 22px #082b5914}.mobile-selection{color:var(--muted);text-align:center;min-height:21px;font-size:12px}.mobile-feedback-actions{grid-template-columns:1fr 1fr;gap:10px;display:grid}.mobile-actions button{color:#fff;border:0;border-radius:5px;padding:14px 8px;font-size:17px;font-weight:800}.mobile-actions button span{vertical-align:-1px;margin-right:4px;font-size:23px}.mobile-actions button.good{background:var(--green)}.mobile-actions button.bad{background:var(--red)}.mobile-actions .office-send{background:var(--navy);justify-content:center;align-items:center;gap:9px;width:100%;display:flex}.mobile-actions .notice-send{background:var(--blue);justify-content:center;align-items:center;gap:9px;width:100%;display:flex}.mobile-toast{bottom:calc(112px + env(safe-area-inset-bottom));white-space:normal;text-align:center;border-radius:4px;max-width:calc(100vw - 28px);padding:11px 15px;font-size:14px}.mobile-auth-shell{padding-bottom:max(24px, env(safe-area-inset-bottom));background:linear-gradient(160deg,#edf3fa,#fff 62%);justify-content:center;align-items:center;display:flex}.mobile-auth-card{border:1px solid #d6deea;border-top:5px solid var(--navy);width:100%;box-shadow:var(--shadow);text-align:center;background:#fff;padding:34px 24px}.mobile-auth-icon{color:#fff;background:var(--navy);border-radius:50%;justify-content:center;align-items:center;width:58px;height:58px;margin:0 auto 18px;display:flex}.mobile-auth-card p{color:var(--muted);margin:0 0 10px;font-size:13px;font-weight:700}.mobile-auth-card h1{color:var(--navy);margin:0 0 13px;font-size:24px}.mobile-auth-card>span:not(.mobile-auth-icon){color:#536176;font-size:14px;line-height:1.7;display:block}.mobile-auth-card small{color:var(--muted);border-top:1px solid #e3e8ef;margin-top:20px;padding-top:15px;display:block}.mobile-confirm-backdrop{z-index:75;background:#0615288f;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.mobile-confirm-dialog{width:min(430px,100%);max-height:calc(100vh - 40px);box-shadow:var(--shadow);text-align:center;background:#fff;border-radius:8px;padding:24px 20px 18px;overflow:auto}.mobile-confirm-icon{color:#fff;background:var(--navy);border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 12px;display:flex}.mobile-confirm-dialog h2{color:var(--navy);margin:0 0 10px;font-size:21px}.mobile-confirm-dialog p{color:#536176;margin:0 0 12px;font-size:14px}.mobile-confirm-dialog>div{background:#f6f8fb;border:1px solid #d8e0ea;flex-wrap:wrap;justify-content:center;gap:7px;max-height:180px;padding:12px;display:flex;overflow:auto}.mobile-confirm-dialog>div strong{color:var(--navy);background:#fff;border:1px solid #b9c9dd;border-radius:3px;padding:5px 8px;font-size:13px}.mobile-confirm-dialog>small{color:var(--muted);margin-top:13px;font-size:12px;line-height:1.55;display:block}.mobile-confirm-dialog footer{grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;display:grid}.mobile-confirm-dialog footer button{border-radius:4px;padding:12px;font-weight:800}.mobile-confirm-dialog .secondary{color:var(--navy);background:#fff;border:1px solid #b8c4d2}.mobile-confirm-dialog .primary{border:1px solid var(--navy);color:#fff;background:var(--navy)}.notice-confirm-dialog blockquote{color:var(--text);text-align:left;overflow-wrap:anywhere;background:#f6f8fb;border:1px solid #d8e0ea;margin:12px 0 0;padding:14px;font-size:16px;line-height:1.6}.notice-confirm-dialog blockquote strong{color:#a36400}.notice-confirm-dialog .mobile-confirm-icon.danger{background:var(--red)}.mobile-confirm-dialog .danger-action{border:1px solid var(--red);color:#fff;background:var(--red)}.mobile-sheet-backdrop{z-index:60;background:#0615287a;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.course-sheet{width:min(520px,100%);padding:10px 20px calc(22px + env(safe-area-inset-bottom));background:#fff;border-radius:14px 14px 0 0}.sheet-handle{background:#c4cad3;border-radius:2px;width:42px;height:4px;margin:0 auto 12px}.course-sheet header{justify-content:space-between;align-items:center;display:flex}.course-sheet h2{color:var(--navy);margin:0 0 10px}.course-sheet header button{color:var(--muted);background:0 0;border:0}.course-fixed-principal{border-left:4px solid var(--blue);background:#f2f7fd;gap:5px;margin:4px 0 14px;padding:12px 13px;display:grid}.course-fixed-principal span,.course-fixed-principal small{color:var(--muted);font-size:12px}.course-fixed-principal strong{color:var(--navy);font-size:16px}.course-sheet>label{color:#4d596b;grid-template-columns:82px 1fr;align-items:center;gap:8px;margin-top:12px;font-size:14px;display:grid}.course-sheet select,.course-sheet input{color:var(--text);background:#fff;border:1px solid #cbd3df;padding:11px}.course-sheet-actions{grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;display:grid}.course-sheet-actions.single{grid-template-columns:1fr}.course-sheet-actions button{border-radius:4px;padding:13px 8px;font-weight:800}.reset-course{color:var(--navy);background:#fff;border:1px solid #aebdce}.save-course{border:1px solid var(--blue);background:var(--blue);color:#fff}@media (width<=1100px){.homework-board{width:calc(100vw - 36px)}.homework-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.homework-management-filters{grid-template-columns:repeat(3,minmax(0,1fr))}.homework-management-search{grid-column:span 2}.feedback-body{grid-template-columns:minmax(0,1fr) 275px;gap:12px;padding-inline:12px}.desktop-student-grid{gap:5px}.student-card strong{font-size:14px}.student-card span{font-size:12px}.lesson-title small{display:none}.teacher-layout{grid-template-columns:minmax(0,1fr) 340px}}@media (width<=820px){.teacher-notice-ticker{gap:10px;height:60px;padding-inline:14px}.teacher-notice-ticker-label{padding:6px 8px;font-size:12px}.teacher-notice-ticker-track{font-size:clamp(23px,4.2vw,30px)}.teacher-notice-ticker-count{min-width:34px;font-size:12px}.classroom-shell.has-teacher-notices .classroom-standby{height:calc(100vh - 60px);min-height:500px;margin-top:60px}.classroom-shell.has-teacher-notices .feedback-overlay,.classroom-shell.has-teacher-notices .homework-modal-backdrop,.classroom-shell.has-teacher-notices .mobile-sheet-backdrop,.classroom-shell.has-teacher-notices .homework-confirm-backdrop,.classroom-shell.has-teacher-notices .homework-nested-backdrop{top:60px}.classroom-shell.has-teacher-notices .classroom-toast{top:138px}.office-reminder-rail{width:min(310px,100vw - 24px);top:84px;right:12px}.classroom-shell.has-teacher-notices .office-reminder-rail{top:152px}.office-reminder-rail.compact{width:58px}.office-reminder-rail.compact .office-reminder-tab{width:58px;min-height:156px}.office-reminder-rail.compact .office-reminder-card{width:min(286px,100vw - 82px);right:58px}.classroom-standby{grid-template-rows:68px 1fr 48px}.standby-header{padding:0 18px}.standby-header-actions{gap:9px}.homework-entry-button{min-height:38px;padding:7px 10px;font-size:13px}.standby-badge{width:42px;height:42px}.standby-identity strong{font-size:18px}.standby-network small{display:none}.standby-main{text-align:center;grid-template-columns:1fr;align-content:center;gap:24px;width:min(620px,100vw - 36px);min-height:calc(100vh - 116px);padding:28px 0 122px}.classroom-shell.has-teacher-notices .standby-main{min-height:calc(100vh - 176px)}.standby-clock{border-bottom:1px solid #c8d2df;border-right:0;padding:0 0 25px}.standby-clock time{font-size:clamp(74px,20vw,112px)}.standby-clock p{font-size:17px}.standby-schedule{padding:25px 26px 23px}.standby-schedule h1{margin:13px 0 10px}.standby-schedule p{margin-top:15px;padding-top:13px}.standby-feedback{bottom:62px}.standby-feedback button{padding:13px 20px}.standby-footer{flex-wrap:wrap;align-content:center;gap:1px 8px;padding:4px 10px;line-height:1.2}.standby-footer>span:first-child{text-align:center;flex:100%;font-size:11px}.standby-footer-divider{display:none}.standby-footer a{font-size:12px}.homework-board{margin-top:20px}.homework-board-heading{flex-direction:column;align-items:flex-start;gap:5px}.homework-board-heading h2{font-size:24px}.homework-card-grid{grid-template-columns:1fr}.homework-subject-header>strong{font-size:25px}.homework-assignment-heading>strong{font-size:21px}.homework-student-chip{font-size:18px}.homework-representative-dialog.wide,.homework-management-dialog,.homework-admin-action-dialog{width:calc(100vw - 20px);height:auto;max-height:calc(100vh - 20px)}.homework-representative-dialog>header,.homework-management-dialog>header,.homework-admin-action-dialog>header{padding-inline:18px}.homework-form-row.two-columns{grid-template-columns:1fr}.homework-picker-toolbar{grid-template-columns:minmax(0,1fr) auto}.homework-picker-toolbar>button{white-space:normal}.homework-picker-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.homework-dialog-footer,.homework-admin-action-dialog>footer{flex-direction:column;align-items:stretch;padding-inline:18px}.homework-dialog-footer>div,.homework-admin-action-dialog>footer>div{grid-template-columns:1fr 1fr;display:grid}.homework-management-summary{display:none}.homework-management-tabs{gap:18px;padding-inline:18px;overflow-x:auto}.homework-management-tabs button{white-space:nowrap}.homework-management-filters{grid-template-columns:repeat(2,minmax(0,1fr));padding-inline:14px}.homework-management-search{grid-column:1/-1}.homework-management-table-wrap{margin-inline:14px}.homework-settings-panel{grid-template-columns:1fr;padding:14px}.homework-settings-panel>section.homework-archive-settings{grid-column:auto}.homework-pin-settings{grid-template-columns:1fr 1fr}.homework-pin-settings button{grid-column:1/-1}.teacher-header{align-items:flex-start;height:auto;min-height:64px;padding:14px 16px}.teacher-header h1{font-size:20px}.teacher-header-actions{flex-direction:column;align-items:flex-end;gap:3px;font-size:11px}.teacher-layout{flex-direction:column;min-height:calc(100vh - 64px);display:flex}.command-panel{order:-1;padding:18px 16px}.records-panel{padding:0 16px 20px}.teacher-student-list{height:188px}.teacher-tabs{gap:18px;height:61px}.teacher-tabs button{font-size:14px}.data-table-wrap{max-height:560px}.teacher-link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.system-health-dialog{width:calc(100vw - 20px);max-height:calc(100vh - 20px)}.system-health-body{grid-template-columns:1fr;padding-inline:16px}.system-health-summary{flex-direction:column;align-items:flex-start;gap:5px;padding-inline:18px}.system-health-dialog>header,.system-health-dialog>footer{padding-inline:18px}.classroom-notices-dialog{width:calc(100vw - 20px);max-height:calc(100vh - 20px)}.classroom-notices-list article{grid-template-columns:32px minmax(0,1fr)}.classroom-notices-list article>button{grid-column:2;justify-self:start}.homework-feedback-management-dialog{width:calc(100vw - 20px);height:calc(100vh - 20px)}.homework-feedback-history-row{grid-template-columns:120px minmax(0,1fr)}.homework-feedback-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.homework-feedback-filters>button{align-self:end}.homework-feedback-edit-fields{grid-template-columns:1fr 1fr}.homework-feedback-edit-fields .note{grid-column:1/-1}.homework-feedback-edit-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}@media (width<=430px){.system-health-dialog>footer{grid-template-columns:1fr 1fr;display:grid}.system-health-dialog>footer button{min-width:0}.system-health-test-results>div{grid-template-columns:12px 1fr}.system-health-test-results>div>span:last-child{grid-column:2}.standby-identity strong{font-size:15px}.standby-identity small,.standby-network span{font-size:10px}.standby-network{gap:6px;display:none}.homework-entry-button{font-size:12px}.standby-main{padding-top:20px}.standby-clock p{font-size:15px}.standby-schedule{padding-inline:18px}.standby-feedback span{font-size:12px}.homework-board{width:calc(100vw - 24px);margin-top:14px}.homework-board-heading>div{flex-direction:column;align-items:flex-start;gap:3px}.homework-board-heading p{font-size:13px}.homework-subject-header,.homework-assignment{padding-inline:14px}.homework-subject-header>strong{font-size:23px}.homework-assignment-heading{flex-direction:column;align-items:flex-start;gap:4px}.homework-assignment-heading>strong{font-size:20px}.homework-student-chip{font-size:17px}.homework-representative-dialog>header p,.homework-management-dialog>header p{display:none}.homework-representative-body,.homework-admin-action-body{padding:14px}.homework-form-row label,.homework-assignment-select{grid-template-columns:1fr}.homework-picker-toolbar{grid-template-columns:1fr 1fr}.homework-picker-search{grid-column:1/-1}.homework-picker-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:8px}.homework-picker-grid label>strong{font-size:16px}.homework-dialog-tabs{padding-inline:14px}.homework-dialog-footer>div,.homework-admin-action-dialog>footer>div{grid-template-columns:1fr}.homework-confirm-dialog{padding-inline:18px}.homework-management-dialog>header>div:first-child{min-width:0}.homework-management-tabs{gap:12px;padding-inline:12px}.homework-management-tabs button{font-size:15px}.homework-management-filters{grid-template-columns:1fr}.homework-management-search{grid-column:auto}.homework-management-filters>button{width:100%}.homework-settings-panel>section{padding:15px}.homework-settings-heading{flex-direction:column;align-items:flex-start;gap:5px}.homework-pin-settings{grid-template-columns:1fr}.homework-pin-settings button{grid-column:auto}.homework-archive-settings>div:last-child,.homework-management-footer{flex-direction:column;align-items:stretch}.mobile-shell{padding-inline:14px}.mobile-principal-row h1{font-size:23px}.mobile-lesson-row strong{font-size:16px}.mobile-lesson-row button{font-size:13px}.mobile-tab-intro{flex-direction:column;align-items:flex-start;gap:4px}.mobile-tab-intro span{text-align:left}.mobile-tabs button{padding-inline:4px;font-size:13px}.mobile-notice-preview p{font-size:17px}.mobile-student-grid{gap:6px}.mobile-student-grid button{height:68px}.mobile-student-grid button strong{font-size:14px}.mobile-actions{padding-inline:14px}.mobile-history-row{grid-template-columns:40px minmax(0,1fr) auto 34px;gap:5px}.mobile-command-row>span{margin-left:40px}.course-sheet{padding-inline:16px}.teacher-links-dialog{width:100%;max-height:96vh}.teacher-links-dialog>header,.teacher-links-dialog>footer{padding-inline:16px}.teacher-links-dialog>footer{flex-direction:column;align-items:stretch}.teacher-link-grid{grid-template-columns:1fr;padding:14px 16px}.classroom-notices-dialog>header,.classroom-notices-dialog>footer{padding-inline:16px}.classroom-notices-list{padding-inline:12px}.headteacher-notice-composer{padding-inline:16px}.headteacher-notice-actions{flex-direction:column;align-items:stretch;gap:10px}.classroom-notices-dialog>footer{flex-direction:column;align-items:stretch}.homework-feedback-management-dialog>header{padding-inline:16px}.homework-feedback-management-dialog>header p{display:none}.homework-feedback-management-dialog>nav{gap:14px;padding-inline:16px}.homework-feedback-management-dialog>footer{flex-direction:column;align-items:stretch;padding-inline:16px}.homework-feedback-today,.homework-feedback-history{padding:10px}.homework-feedback-subject-group{padding-inline:12px}.homework-feedback-record>header{flex-direction:column}.homework-feedback-record-groups section{grid-template-columns:1fr;gap:3px}.homework-feedback-filters,.homework-feedback-history-row{grid-template-columns:1fr}.homework-feedback-history-date{border-bottom:1px solid #e0e5ec;border-right:0}.homework-feedback-edit-dialog{width:100%;max-height:96vh}.homework-feedback-edit-fields{grid-template-columns:1fr}.homework-feedback-edit-fields .note{grid-column:auto}.homework-feedback-edit-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.homework-feedback-edit-dialog>footer{flex-direction:column;align-items:stretch}.homework-feedback-edit-dialog>footer>div{grid-template-columns:1fr 1fr;display:grid}.mobile-homework-category-tabs button span{font-size:11px}.mobile-homework-student-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.mobile-homework-submit-row{grid-template-columns:1fr}.mobile-homework-submit-row button{width:100%}}@media (width<=360px){.mobile-student-grid{grid-template-columns:repeat(3,1fr)}.mobile-tabs button{font-size:12px}.mobile-history-row{grid-template-columns:38px minmax(0,1fr) auto}.mobile-history-row>button{grid-column:2/-1;justify-self:end}.mobile-confirm-dialog{padding-inline:16px}.course-sheet-actions{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}