:root{--md-bg: #06080d;--md-surface: #0e121b;--md-surface-2: #141a26;--md-outline: #2b3344;--md-text: #e7ebf5;--md-text-dim: #9ea8bf;--md-primary: #9ecaff;--md-on-primary: #001a34;--md-danger-bg: #5a1f26;--md-danger-border: #b35a68}*{box-sizing:border-box}html,body,#root{margin:0;width:100%;min-height:100%;background:var(--md-bg);color:var(--md-text);font-family:Roboto,Noto Sans SC,sans-serif}button,select{font:inherit}.material-symbols-outlined{font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}.app-shell{position:relative;min-height:100vh;padding:10px 10px 92px}.top-app-bar{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:8px}.week-trigger{border:none;background:transparent;color:var(--md-text);text-align:left;padding:0;display:grid;gap:2px;cursor:pointer}.week-trigger strong{font-size:34px;line-height:1.04;letter-spacing:.2px}.week-trigger span{font-size:15px;color:var(--md-text-dim)}.top-actions{display:flex;align-items:center;gap:2px}.icon-btn{width:40px;height:40px;border-radius:20px;border:none;background:transparent;color:var(--md-text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.icon-btn:hover:not(:disabled){background:#9ecaff1f}.icon-btn:disabled{opacity:.45;cursor:not-allowed}.alert-banner{margin-bottom:8px;padding:10px 12px;border:1px solid var(--md-danger-border);background:var(--md-danger-bg);color:#ffe8eb;border-radius:12px;font-size:13px}.timetable-main{min-width:0;touch-action:pan-y}.swipe-tip{margin:0 0 6px;font-size:11px;color:var(--md-text-dim)}.table-scroll{overflow-x:hidden;border:1px solid var(--md-outline);border-radius:12px;background:var(--md-surface);width:100%}.swipe-track{will-change:transform;transition:transform .18s cubic-bezier(.2,.8,.2,1)}.swipe-track.dragging{transition:none}.schedule-table{width:100%;min-width:0;border-collapse:collapse;table-layout:fixed}.schedule-table th,.schedule-table td{border-right:1px solid var(--md-outline);border-bottom:1px solid var(--md-outline);vertical-align:top;padding:6px;background:var(--md-surface)}.schedule-table th:last-child,.schedule-table td:last-child{border-right:none}.schedule-table thead th{text-align:center;background:var(--md-surface-2);color:var(--md-text-dim);font-weight:500;font-size:13px}.schedule-table thead th span,.schedule-table thead th small{display:block}.schedule-table thead th small{margin-top:2px;font-size:11px}.session-head{width:58px}.session-cell{width:58px;text-align:center;background:var(--md-surface-2)}.session-cell strong{display:block;font-size:24px;line-height:1;margin-bottom:4px;color:var(--md-text)}.session-cell span{display:block;font-size:11px;color:var(--md-text-dim);line-height:1.2}.course-stack{display:grid;gap:4px}.course-card{border:2px solid;border-radius:8px;min-height:64px;padding:6px}.course-card strong{display:block;font-size:14px;line-height:1.12;word-break:break-word;overflow-wrap:anywhere}.course-card p{margin:3px 0 0;font-size:12px;line-height:1.1;word-break:break-word;overflow-wrap:anywhere}.empty-state{border:1px dashed var(--md-outline);border-radius:14px;padding:18px;color:var(--md-text-dim)}.fab{position:fixed;right:14px;bottom:16px;width:56px;height:56px;border-radius:16px;border:none;background:var(--md-primary);color:var(--md-on-primary);box-shadow:0 8px 22px #00000073;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;z-index:8}.fab .material-symbols-outlined{font-size:30px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:grid;place-items:center;padding:12px;z-index:20;animation:dialogFadeIn .17s ease-out both}.modal-panel{width:min(760px,100%);max-height:92vh;overflow:auto;background:var(--md-surface);border:1px solid var(--md-outline);border-radius:20px;padding:16px;display:grid;gap:12px;animation:dialogPanelIn .19s cubic-bezier(.2,.8,.2,1) both}.modal-backdrop.closing{animation:dialogFadeOut .17s ease-in both}.modal-backdrop.closing .modal-panel{animation:dialogPanelOut .16s ease-in both}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.modal-head h2{margin:0;font-size:20px}.modal-note{margin:0;color:var(--md-text-dim);font-size:13px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field-grid label{display:grid;gap:6px}.field-grid span{font-size:13px;color:var(--md-text-dim)}.field-grid select{width:100%;border:1px solid var(--md-outline);background:var(--md-surface-2);color:var(--md-text);border-radius:10px;padding:10px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips span{background:var(--md-surface-2);border:1px solid var(--md-outline);color:var(--md-text-dim);border-radius:999px;padding:5px 9px;font-size:12px}.note-list{display:grid;gap:6px}.note-list p{margin:0;color:#ffd7d7;font-size:12px}.modal-actions{display:flex;justify-content:flex-end}.filled-btn{border:none;border-radius:999px;padding:9px 16px;background:var(--md-primary);color:var(--md-on-primary);cursor:pointer}.text-btn{border:none;border-radius:999px;padding:9px 14px;background:transparent;color:var(--md-primary);cursor:pointer}.week-modal{width:min(580px,100%)}.week-list{display:grid;gap:8px}.week-item{border:1px solid var(--md-outline);background:var(--md-surface-2);color:var(--md-text);border-radius:12px;padding:10px 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p{font-size:12px}.field-grid{grid-template-columns:1fr}.modal-panel{border-radius:14px;padding:12px}}