dialog.timetable-modal{--tt-text:#edf6f8;--tt-muted:#b4cbd4;--tt-border:#c1d9e333;--tt-surface:#12303c;--tt-field:#ffffff0b;--tt-issue:#ffe2ad;width:min(1240px,calc(100% - 28px));max-height:92dvh;color:var(--tt-text);background:linear-gradient(145deg,#153543f5,#0b242ff7);padding:28px;scroll-padding-top:84px}dialog.timetable-modal .dialog-head{margin-bottom:16px}.tt-toolbar{position:sticky;top:-28px;z-index:9;display:flex;justify-content:space-between;gap:12px;margin:0 -2px 22px;padding:14px 2px;background:var(--tt-surface);border-bottom:1px solid var(--tt-border)}.tt-toolbar button{min-height:44px;font-size:13px;padding:10px 16px}.tt-layout{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,1.3fr);gap:28px;align-items:start}.tt-source-column{position:sticky;top:56px;min-width:0}.tt-source{display:block}.tt-source img{display:block;width:100%;max-height:48dvh;object-fit:contain;border-radius:16px;background:#071c2566}.tt-source h3{font-size:15px;line-height:1.6;overflow-wrap:anywhere;margin:20px 0 10px}.tt-source p{color:var(--tt-muted);line-height:1.8;font-size:12px}.tt-source-actions{display:flex;gap:10px;flex-wrap:wrap}.tt-source-actions button{min-height:44px;padding:10px 14px;font-size:12px}.tt-source-column .tt-progress{gap:7px;margin-bottom:18px}.tt-source-column .tt-progress li{padding:6px 9px;font-size:11px}.tt-editor{min-width:0}.tt-review-summary{display:flex;flex-wrap:wrap;gap:9px 18px;padding:19px 20px;margin-bottom:22px;border:1px solid var(--tt-border);border-radius:16px;background:var(--tt-field);font-size:13px;line-height:1.6}.tt-review-summary strong{font-weight:500}.tt-review-summary small{flex-basis:100%;color:var(--tt-muted);font-size:11px;line-height:1.8}.tt-course,.tt-time-settings{padding:21px;border:1px solid var(--tt-border);border-radius:20px;background:var(--tt-field);margin-bottom:20px;scroll-margin-top:90px}.tt-course>header{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-bottom:15px}.tt-course>header h3{margin:0;font-size:15px;font-weight:500}.tt-selection,.tt-reviewed{display:flex;align-items:center;gap:9px;font-size:12px;line-height:1.7;color:var(--tt-muted)}.tt-course-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 12px}.tt-course-fields .tt-wide{grid-column:1/-1}.timetable-modal label.field{display:flex;flex-direction:column;gap:8px;margin:0;font-size:12px;line-height:1.6;color:var(--tt-muted)}.timetable-modal input,.timetable-modal select{width:100%;min-width:0;min-height:44px;border:1px solid var(--tt-border);background:var(--tt-field);color:var(--tt-text);border-radius:10px;padding:10px 11px;font:inherit;font-size:14px;color-scheme:dark}.timetable-modal input::placeholder{color:var(--tt-muted);opacity:.8}.timetable-modal input[type=checkbox]{flex:none;width:19px;height:19px;min-height:0;padding:0;accent-color:#6eabb6}.timetable-modal input:focus,.timetable-modal select:focus{outline:2px solid #96ccdc;outline-offset:2px}.tt-review-notes{padding:11px 13px;margin:0 0 18px;border-radius:9px;font-size:11px;color:var(--tt-muted);line-height:1.8;background:var(--tt-field)}.tt-review-notes.has-issue{color:var(--tt-issue);border-left:3px solid #caaa73;background:#e3bd7510}.tt-review-notes span{display:block}.tt-time-settings>h3{font-size:16px;font-weight:500;margin:0 0 18px}.tt-time-settings details{margin-top:22px}.tt-time-settings summary{cursor:pointer;font-size:14px;line-height:1.8;padding:10px 0}.tt-time-settings summary small{display:block;color:var(--tt-muted);font-size:11px}.tt-periods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:13px}.tt-periods>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:12px;border:1px solid var(--tt-border);border-radius:12px}.tt-periods strong{grid-column:1/-1;font-size:12px;font-weight:500}.tt-periods label{display:flex;flex-direction:column;gap:6px;color:var(--tt-muted);font-size:11px}.tt-periods input{padding:8px 5px;font-size:13px}.tt-reviewed{padding:8px 2px;margin-bottom:16px}.tt-preview-button{min-height:46px;width:100%}.tt-original-peek{position:sticky;top:57px;z-index:8;border:1px solid var(--tt-border);border-radius:14px;background:var(--tt-surface);box-shadow:0 12px 30px #0005;padding:12px;margin-bottom:20px}.tt-original-peek[hidden]{display:none}.tt-original-peek>div{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;margin-bottom:10px}.tt-original-peek img{display:block;width:100%;height:35dvh;object-fit:contain;background:#071c2544;border-radius:8px}.tt-original-peek button{min-height:40px;padding:8px 12px;font-size:12px}.tt-empty{padding:70px 24px;border:1px dashed var(--tt-border);border-radius:20px}.tt-empty h3{font-size:22px;font-weight:400;line-height:1.6}.tt-empty p,.tt-hint{font-size:13px;line-height:1.8;color:var(--tt-muted)}#tt-error{color:var(--tt-issue);font-size:13px;line-height:1.8;padding:8px 0 18px;white-space:pre-wrap}#tt-error:empty{display:none}#tt-preview .action-card{margin-top:24px;padding:22px;border-color:var(--tt-border);color:var(--tt-text);background:var(--tt-field)}#tt-preview h3{font-weight:400;line-height:1.7}#tt-preview p{color:var(--tt-muted);line-height:1.9;font-size:13px}#tt-preview .tt-preview-list{max-height:260px;overflow:auto}#tt-preview button{min-height:44px}.tt-success small{color:var(--tt-muted);font-size:10px;letter-spacing:.12em}
html[data-background-mode="day"] dialog.timetable-modal{--tt-text:#183743;--tt-muted:#496673;--tt-border:#234c5b33;--tt-surface:#edf5f3;--tt-field:#ffffff77;--tt-issue:#74501d;background:linear-gradient(145deg,#f2f8f5fa,#e3edf0fc)}html[data-background-mode="day"] .timetable-modal input,html[data-background-mode="day"] .timetable-modal select{color-scheme:light}html[data-background-mode="day"] .timetable-modal button{color:#284b59;border-color:#345d6b55;background:#ffffff88}html[data-background-mode="day"] .timetable-modal button.primary{color:#fff;background:#234b5b;border-color:#234b5b}html[data-background-mode="day"] .timetable-modal .tt-progress li,html[data-background-mode="day"] .timetable-modal .tt-upload-star{color:#496673;border-color:#345d6b55}html[data-background-mode="day"] .timetable-modal .tt-progress li[aria-current="step"]{background:#234b5b;color:#fff}html[data-background-mode="day"] .timetable-modal .tt-review-notes.has-issue{background:#fff4df}
@media(max-width:760px){dialog.timetable-modal{width:calc(100% - 16px);max-height:94dvh;padding:18px;border-radius:22px}.timetable-modal .dialog-head h2{font-size:17px}.tt-toolbar{top:-18px;padding:12px 0;margin-bottom:18px;gap:8px}.tt-toolbar button{font-size:11px;padding:10px 12px}.tt-layout{grid-template-columns:minmax(0,1fr);gap:22px}.tt-source-column{position:static}.tt-source img{max-height:240px}.tt-layout.has-courses .tt-source .tt-preview-image,.tt-layout.has-courses .tt-source>img{display:none}.tt-layout.has-courses .tt-source h3{margin-top:0}.tt-layout.has-courses .tt-source-column .tt-progress{margin-bottom:14px}.tt-source .tt-upload-star{display:none}.tt-course,.tt-time-settings{padding:17px;border-radius:16px}.tt-course-fields{gap:14px 9px}.tt-course-fields input,.tt-course-fields select{font-size:16px;padding:10px 8px}.tt-periods{grid-template-columns:minmax(0,1fr)}.tt-periods>div{grid-template-columns:58px minmax(0,1fr) minmax(0,1fr);align-items:center}.tt-periods strong{grid-column:auto}.tt-periods input{font-size:16px;padding:8px}.tt-original-peek{top:48px;padding:10px}.tt-original-peek img{height:32dvh}.tt-review-summary{padding:16px;gap:7px 14px;font-size:12px}.tt-empty{padding:26px 18px}.tt-empty h3{font-size:19px}.tt-reviewed{font-size:12px}#tt-preview .row{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.timetable-modal *{scroll-behavior:auto!important}}

.tt-course-summary{color:var(--tt-muted);font-size:13px;line-height:1.8;margin:0 0 12px}.tt-course-editor>summary{cursor:pointer;color:var(--tt-text);font-size:13px;padding:8px 0}.tt-course-editor[open]>summary{margin-bottom:16px}.tt-review-notes:empty{display:none}.tt-common-weeks{padding:16px 18px;margin-bottom:20px;border:1px solid var(--tt-border);border-radius:16px}.tt-common-weeks p{font-size:12px;color:var(--tt-muted);line-height:1.8;margin:0 0 12px}.tt-common-weeks>div{display:flex;gap:12px}.tt-common-weeks input{min-width:0;flex:1}.tt-common-weeks button{flex:none;font-size:12px}.tt-conflict{border-left:3px solid #caaa73;padding:12px;background:#e3bd7510}.tt-review-summary small button{display:inline-block;margin:12px 0 0;min-height:40px}.tt-course>header h3{line-height:1.6;overflow-wrap:anywhere}
.tt-review-summary>button{flex-basis:100%;font-size:12px;min-height:40px;margin-top:4px}

.tt-daily-counts{padding:16px 0;margin:18px 0;border-top:1px solid var(--tt-border);border-bottom:1px solid var(--tt-border)}.tt-daily-counts>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tt-daily-counts label{display:flex;flex-direction:column;gap:8px;min-width:0;font-size:12px;color:var(--tt-muted)}.tt-daily-counts p{font-size:12px;line-height:1.8;color:var(--tt-muted)}@media(max-width:760px){.tt-periods>div{grid-template-columns:90px minmax(0,1fr) minmax(0,1fr)}}