:root{--ink:#19231f;--muted:#68736e;--paper:#f6f4ed;--card:#fffdf8;--green:#235c48;--line:#dedbd0;--accent:#e9a23b}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;color:var(--ink);background:var(--paper);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Microsoft YaHei,sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}button{border:0;border-radius:10px;padding:.7rem 1rem;background:var(--green);color:white;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:.72rem;background:white;margin-top:.35rem}textarea{min-height:96px;resize:vertical}label{color:var(--muted);font-size:.9rem}.centerPage{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 10% 10%,#dcebdd,transparent 35%),radial-gradient(circle at 90% 85%,#f4d8a8,transparent 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a{min-height:42px;display:grid;place-items:center;padding:0 10px;color:var(--muted);text-decoration:none}.scheduleCalendar{margin-top:24px;background:linear-gradient(180deg,#f8fbff,#edf5ff);border:0;box-shadow:0 18px 50px #235c4812}.calendarHead{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.calendarHead strong{font-size:2rem;line-height:1}.calendarHead span{margin-left:8px;color:#8c95a6;font-weight:800}.calendarActions{display:flex;align-items:center;gap:8px}.calendarActions a{min-width:42px;min-height:38px;display:grid;place-items:center;padding:8px 12px;border-radius:999px;background:white;color:var(--ink);text-decoration:none;font-weight:850;box-shadow:0 4px 18px #193b2810}.calendarGrid,.weekHeader{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.weekHeader{margin-bottom:10px;color:#9aa3b2;font-weight:850;text-align:center}.weekHeader span:first-child,.weekHeader span:last-child{color:#005bd9}.calendarGrid{gap:8px 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2px}.dayCell{min-height:72px;border-radius:18px}.dayNumber{font-size:1.55rem}.dayMark{top:5px;right:6px;min-width:20px;height:20px;font-size:.68rem}.holiday{font-size:.68rem;margin-top:5px}.dayScheduleCard{padding:20px 18px;border-radius:22px}.dayScheduleCard h2{font-size:1.35rem;line-height:1.25}.timePill{font-size:1.05rem}.classImageForm,.rosterRow{grid-template-columns:1fr}.rosterRow{align-items:stretch}.miniControl{grid-template-columns:1fr auto}.feedbackControl{grid-template-columns:1fr}.scheduleImageUpload{align-items:stretch}.scheduleImageUpload button{width:auto}.studentQrCard{flex-direction:column;align-items:flex-start}.studentQrCard img{width:min(280px,100%);align-self:center}.recordingActions{display:grid;grid-template-columns:1fr}.filePicker,.recordingActions button{justify-content:center;width:100%}.pdfToolbar{align-items:flex-start;flex-direction:column}.pdfControls{width:100%;justify-content:space-between}.pdfCanvasWrap{min-height:240px;padding:8px}table{display:block;overflow:auto;white-space:nowrap}}