:root{color:var(--text);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;font-variant-numeric:tabular-nums;--bg:#fafafa;--surface:#fff;--surface-muted:#f5f5f5;--surface-hover:#f0f0ef;--text:#242424;--text-secondary:#464646;--muted:#666;--theme-hover-text:#536b93;--theme-hover-bg:#eaf0fa;--theme-hover-border:#a5b8d6;--border:#dedede;--border-strong:#b5b5b5;--control-border:#8b8b8b;--control-hover:#666;--accent:#9b4563;--accent-soft:#fae9ef;--accent-border:#dfa4b8;--focus:#ab5573;--error:#a33233;--backdrop:#00000073;--course-text:#29242c;--course-muted:#504855;--course-0-bg:#f7d5de;--course-0-border:#dca5b5;--course-1-bg:#f8ddc8;--course-1-border:#d9b08f;--course-2-bg:#f5e7b4;--course-2-border:#c9b66b;--course-3-bg:#cae8d9;--course-3-border:#8cbba4;--course-4-bg:#dce6cb;--course-4-border:#a6b88d;--course-5-bg:#d4e5f4;--course-5-border:#9bbad5;--course-6-bg:#dfd7f1;--course-6-border:#b3a3d0;--course-7-bg:#ebd8f0;--course-7-border:#c3a4cd;--controls-height:142px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Malgun Gothic,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#181818;--surface:#212121;--surface-muted:#292929;--surface-hover:#2e2e2e;--text:#f1f1f1;--text-secondary:#d0d0d0;--muted:#a8a8a8;--theme-hover-text:#edc879;--theme-hover-bg:#403826;--theme-hover-border:#9c834d;--border:#383838;--border-strong:#555;--control-border:#757575;--control-hover:#a0a0a0;--accent:#edaec4;--accent-soft:#422d35;--accent-border:#a96f85;--focus:#edaec4;--error:#f0a6a6;--backdrop:#000000a6;--course-text:#f4f0f5;--course-muted:#c8bfce;--course-0-bg:#453039;--course-0-border:#926376;--course-1-bg:#45362b;--course-1-border:#947254;--course-2-bg:#403a23;--course-2-border:#8b7d45;--course-3-bg:#283f35;--course-3-border:#5f8e76;--course-4-bg:#343d2b;--course-4-border:#75885d;--course-5-bg:#2b3b4a;--course-5-border:#6384a2;--course-6-bg:#373146;--course-6-border:#81709d;--course-7-bg:#403047;--course-7-border:#8d6a99}[data-course-color="0"]{--course-bg:var(--course-0-bg);--course-border:var(--course-0-border)}[data-course-color="1"]{--course-bg:var(--course-1-bg);--course-border:var(--course-1-border)}[data-course-color="2"]{--course-bg:var(--course-2-bg);--course-border:var(--course-2-border)}[data-course-color="3"]{--course-bg:var(--course-3-bg);--course-border:var(--course-3-border)}[data-course-color="4"]{--course-bg:var(--course-4-bg);--course-border:var(--course-4-border)}[data-course-color="5"]{--course-bg:var(--course-5-bg);--course-border:var(--course-5-border)}[data-course-color="6"]{--course-bg:var(--course-6-bg);--course-border:var(--course-6-border)}[data-course-color="7"]{--course-bg:var(--course-7-bg);--course-border:var(--course-7-border)}*{box-sizing:border-box}body{margin:0}[hidden]{display:none!important}button,input,select,summary{font:inherit}button,select,summary,input[type=checkbox]{cursor:pointer}:focus-visible:not(#lookup-input){outline:2px solid var(--focus);outline-offset:2px}.app{width:min(100% - 40px,760px);margin:0 auto;padding:30px 0 40px}.page-header{text-align:center;margin-bottom:22px;padding:0 40px;position:relative}.page-header h1{letter-spacing:-.7px;margin:0 0 6px;font-size:23px;font-weight:650}.page-header p{color:var(--muted);margin:0;font-size:12px}.theme-toggle{background:var(--surface);place-items:center;width:32px;height:32px;padding:0;display:grid;position:absolute;top:0;right:0}.theme-toggle .sun-icon{display:none}.theme-toggle:hover,.theme-toggle:active{color:var(--theme-hover-text);border-color:var(--theme-hover-border);background:var(--theme-hover-bg)}[data-theme=dark] .theme-toggle .sun-icon{display:block}[data-theme=dark] .theme-toggle .moon-icon{display:none}button:disabled,input:disabled,select:disabled{cursor:default;opacity:.6}.sticky-controls{z-index:5;background:var(--bg);border-bottom:1px solid var(--border);padding:8px 0;position:sticky;top:0}.lookup-action{background:0 0;border:0;flex-shrink:0;place-items:center;width:32px;height:32px;padding:0;display:grid}.lookup-action .clear-icon,.lookup-action[data-clear=true] .search-icon{display:none}.lookup-action[data-clear=true] .clear-icon{display:block}.lookup-action:disabled{opacity:.5;cursor:default}.lookup-panel{position:relative}.lookup-control{background:var(--surface);border:1px solid var(--control-border);border-radius:4px;align-items:center;gap:4px;min-height:40px;padding:3px 5px 3px 8px;display:flex}.lookup-entry{flex-wrap:wrap;flex:1;align-items:center;gap:5px;min-width:0;max-height:80px;padding:3px;display:flex;overflow-y:auto}.lookup-tokens{display:contents}.lookup-tokens:empty{display:none}.lookup-token{border:1px solid var(--accent-border);background:var(--accent-soft);overflow-wrap:anywhere;border-radius:3px;align-items:center;gap:5px;padding-left:7px;font-size:12px;display:inline-flex}.lookup-token button{background:0 0;border:0;min-height:26px;padding:2px 6px;font-size:16px}#lookup-input{width:100%;min-width:0;height:28px;color:var(--text);background:0 0;border:0;flex:180px;padding:0 3px;font-size:13px}#lookup-input::placeholder{color:var(--muted)}.lookup-options,.lookup-no-matches{z-index:4;border:1px solid var(--border-strong);background:var(--surface);border-radius:4px;width:100%;margin:5px 0 0;padding:4px;position:absolute;top:100%;left:0}.lookup-options{max-height:312px;list-style:none;overflow-y:auto}.lookup-options li{cursor:pointer;align-items:center;gap:12px;min-height:36px;padding:7px 9px;font-size:13px;display:flex}.lookup-options li:hover{background:var(--surface-hover)}.lookup-options li[aria-selected=true]{background:var(--accent-soft);outline:1px solid var(--accent-border);outline-offset:-1px}.lookup-options li[data-exact=true]>span:nth-child(2){font-weight:650}.candidate-kind{text-align:center;border:1px solid var(--border);background:var(--surface-muted);width:38px;color:var(--text-secondary);border-radius:3px;flex-shrink:0;padding:2px 0;font-size:11px}.candidate-count{color:var(--muted);white-space:nowrap;margin-left:auto;font-size:11px}.lookup-no-matches{color:var(--muted);padding:12px;font-size:12px}.lookup-rooms .room-row{min-height:42px}.filter-panel{margin-top:8px;padding:0;position:relative}.filter-panel fieldset{border:0;grid-template-columns:.6fr 1.4fr .9fr 1.2fr;gap:12px;min-width:0;margin:0;padding:0;display:grid}.field{flex-direction:column;gap:5px;min-width:0;display:flex}.field>label,.field-label{color:var(--text-secondary);font-size:12px}select,#time,summary{border:1px solid var(--control-border);background:var(--surface);width:100%;min-width:0;height:36px;color:var(--text);border-radius:4px;padding:0 10px;font-size:13px;font-weight:400}.lookup-control:hover,.filter-panel :where(select,#time,summary,#now):hover{border-color:var(--control-hover);background:var(--surface-muted)}.lookup-control:focus-within,.filter-panel :where(select,#time,summary,#now):is(:focus,:active),#building-picker[open]>summary{border-color:var(--focus);outline:2px solid var(--focus);outline-offset:2px}#time{font-variant-numeric:tabular-nums;flex:1;justify-content:center;align-items:center;padding:0 4px;display:flex}#time input{width:2.3ch;min-width:0;height:100%;color:var(--text);font:inherit;text-align:center;background:0 0;border:0;border-radius:2px;padding:0}.time-separator{flex-shrink:0}#time:focus-within{border-color:var(--focus);outline:2px solid var(--focus);outline-offset:2px}#time input:focus-visible{background:var(--accent-soft);outline:none}#time[aria-invalid=true]{border-color:var(--error)}.time-controls{gap:5px;display:flex}#now{flex-shrink:0;padding:0 9px;font-size:13px;font-weight:400}fieldset:disabled{opacity:.6}.building-field{position:relative}summary{justify-content:space-between;align-items:center;gap:8px;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"";border-right:1px solid var(--muted);border-bottom:1px solid var(--muted);flex-shrink:0;width:6px;height:6px;margin-top:-3px;transform:rotate(45deg)}#building-value{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.building-panel{z-index:2;background:var(--surface);border:1px solid var(--border-strong);border-radius:4px;width:min(340px,100vw - 74px);padding:12px;position:absolute;top:calc(100% + 7px);right:0}.building-panel-header{justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;font-size:12px;display:flex}.muted{color:var(--muted)}button{border:1px solid var(--control-border);background:var(--surface);color:var(--text);border-radius:4px;padding:6px 9px;font-size:12px}button:hover{border-color:var(--accent)}#all-buildings[aria-pressed=true]{color:var(--text);border-color:var(--control-hover);background:var(--surface-muted)}#all-buildings:hover,#all-buildings:active{color:var(--text);border-color:var(--control-hover);background:var(--surface-hover)}#all-buildings:focus-visible{outline-color:var(--control-hover)}#building-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 5px;max-height:230px;display:grid;overflow-y:auto}#building-options label{cursor:pointer;border-radius:2px;align-items:center;gap:7px;min-height:30px;padding:3px 4px;font-size:12px;display:flex}#building-options label:hover{background:var(--surface-hover)}#building-options input{width:14px;height:14px;accent-color:var(--accent);flex-shrink:0;margin:0}.results-section{margin-top:19px}.availability-body{grid-template-columns:minmax(0,1fr);align-items:start;gap:10px;display:grid}.availability-body.has-index{grid-template-columns:minmax(0,1fr) 64px}.building-index{top:calc(var(--controls-height) + 8px);max-height:calc(100dvh - var(--controls-height) - 20px);border-left:1px solid var(--border-strong);scrollbar-width:none;flex-direction:column;display:flex;position:sticky;overflow-y:auto}.building-index::-webkit-scrollbar{display:none}.building-index button{width:100%;min-height:28px;color:var(--text-secondary);text-align:left;overflow-wrap:anywhere;background:0 0;border:0;border-left:2px solid #0000;border-radius:0;padding:4px 4px 4px 7px;font-size:12px;font-weight:500}.building-index button:is(:hover,:active,:focus-visible){background:var(--surface-hover);color:var(--text)}.building-index button:focus-visible{outline-offset:-2px}#results>li{scroll-margin-top:calc(var(--controls-height) + 10px)}.results-header{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:10px;display:flex}.results-header h2{color:var(--text-secondary);margin:0;font-size:12px;font-weight:500}.results-header p{color:var(--muted);margin:0;font-size:11px}.results{border-top:1px solid var(--border);margin:0;padding:0;list-style:none}.results li{border-bottom:1px solid var(--border)}.room-row{text-align:left;background:0 0;border:0;border-radius:0;justify-content:space-between;align-items:center;gap:16px;width:100%;min-height:44px;padding:9px 12px;display:flex}.room-row:hover,.room-row:active{background:var(--surface-hover);color:var(--text)}.room-row:focus-visible{outline-offset:-2px}.room-name{overflow-wrap:anywhere;font-size:14px;font-weight:600}.room-info{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:4px;display:flex}.room-duration{color:var(--text-secondary);font-size:14px;font-weight:500}.empty-state{text-align:center;color:var(--muted);border:1px solid var(--border);border-radius:4px;margin:0;padding:30px 16px;font-size:13px;line-height:1.8}.empty-state p{margin:0 0 12px}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.dialog-open{overflow:hidden}.room-dialog{border:1px solid var(--border-strong);width:min(940px,100% - 32px);max-height:calc(100dvh - 32px);color:var(--text);background:var(--surface);border-radius:5px;padding:0}.room-dialog::backdrop{background:var(--backdrop)}.detail-header{z-index:3;border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;display:flex;position:sticky;top:0}.detail-header h2{margin:0;font-size:18px}.close-dialog{min-height:34px}.detail-content{padding:0 18px 18px}.timetable-scroll{padding-bottom:14px;overflow-x:auto}.timetable{grid-template-columns:48px repeat(var(--days), minmax(126px, 1fr));min-width:calc(48px + var(--days) * 126px);display:grid}.timetable-day,.timetable-corner{text-align:center;border-bottom:1px solid var(--border-strong);padding:9px 0;font-size:12px}.timetable-corner{color:var(--muted);font-size:10px}.time-axis,.timetable-column{height:var(--timeline-height);position:relative}.time-tick{color:var(--muted);font-size:10px;position:absolute;right:7px;transform:translateY(-50%)}.time-tick:first-child{transform:translateY(2px)}.timetable-column{border-left:1px solid var(--border);border-bottom:1px solid var(--border)}.timetable-column:last-child{border-right:1px solid var(--border)}.time-line{border-top:1px solid var(--border);position:absolute;left:0;right:0}.course{border:1px solid var(--course-border);background:var(--course-bg);color:var(--course-text);scrollbar-width:thin;border-radius:3px;padding:5px;font-size:11px;line-height:1.4;position:absolute;overflow:auto}.course span,.course strong{display:block}.course-subject{overflow-wrap:anywhere;font-size:12px;font-weight:650}.course-time{color:var(--course-muted);white-space:nowrap;margin-bottom:3px;font-size:9px}.course-professor{color:var(--course-muted);margin-top:4px;font-size:10px}.course:focus{z-index:2;min-height:max-content}@media (width<=900px){.app{width:min(100% - 28px,760px);padding-top:24px}.page-header{margin-bottom:18px}.sticky-controls{padding:6px 0}.filter-panel{margin-top:4px}.filter-panel fieldset{scrollbar-width:none;grid-template-rows:36px;grid-template-columns:minmax(44px,.6fr) minmax(110px,1.35fr) minmax(70px,.9fr) minmax(90px,1.2fr);grid-auto-flow:column;gap:4px;width:100%;padding:0;display:grid;overflow-x:auto}.filter-panel fieldset::-webkit-scrollbar{display:none}.time-controls{border-radius:4px;gap:0;width:100%;min-width:0;position:relative}.field>label,.field-label{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}select,#time,summary,#now{height:36px;font-size:16px}.filter-panel select,.filter-panel #time,.filter-panel summary{padding-inline:4px}.filter-panel summary{gap:4px}.filter-panel .time-controls #time{padding-right:44px}.filter-panel #now{border:0;border-left:1px solid var(--border);background:0 0;border-radius:0 3px 3px 0;width:40px;height:34px;padding:0 3px;font-size:16px;position:absolute;top:1px;right:1px}.time-controls:hover #time{border-color:var(--control-hover)}.time-controls:focus-within{outline:2px solid var(--focus);outline-offset:-2px}.filter-panel .time-controls #time:focus-within,.filter-panel #now:is(:focus,:active){outline:none}.filter-panel #now:is(:hover,:active){background:var(--surface-muted)}.filter-panel :where(select,summary):is(:focus,:active),#building-picker[open]>summary{outline-offset:-2px}.availability-body{gap:0}.availability-body.has-index{grid-template-columns:minmax(0,1fr)}.building-index{z-index:4;top:var(--quick-index-top,8px);right:env(safe-area-inset-right,0px);width:42px;max-height:var(--quick-index-height,0px);background:color-mix(in srgb, var(--surface) 65%, transparent);opacity:0;visibility:hidden;pointer-events:none;border-left:0;transition:opacity .12s;position:fixed}.building-index[data-overlay-visible=true]{opacity:1;visibility:visible;pointer-events:auto}.building-index button{text-align:right;border-left:0;flex-shrink:0;min-height:30px;padding:3px 4px 3px 1px;font-size:11px}.room-row{gap:8px;padding:9px 4px}#availability-results .room-row{flex-wrap:wrap;gap:6px 12px;min-height:56px;padding:12px 8px}#availability-results .room-name{font-size:16px;line-height:1.4}#availability-results .room-info{max-width:100%}#availability-results .room-duration{overflow-wrap:anywhere;font-size:14px;line-height:1.5}.room-dialog{border:0;border-radius:0;width:100%;max-width:none;height:100dvh;max-height:100dvh;margin:0;overflow:hidden auto}.detail-header{padding:max(6px, env(safe-area-inset-top)) 8px 6px}.detail-header h2{font-size:16px}.detail-content{padding:0 4px max(12px, env(safe-area-inset-bottom))}.timetable-scroll{padding-bottom:8px;overflow-x:hidden}.timetable{grid-template-columns:34px repeat(var(--days), minmax(0, 1fr));width:100%;min-width:0}.timetable-day,.timetable-corner,.time-axis,.timetable-column{min-width:0}.timetable-day,.timetable-corner{padding:6px 0}.time-tick{font-size:9px;right:3px}.course{--course-inset:1px;--course-gutter:2px;flex-direction:column;padding:3px;line-height:1.25;display:flex;overflow:hidden}.course>*{flex-shrink:0;min-width:0}.course-subject{order:0;font-size:11px;line-height:1.2}.course-professor{overflow-wrap:anywhere;order:1;margin-top:2px;font-size:9px}.course-time{white-space:normal;overflow-wrap:anywhere;order:2;margin:2px 0 0;font-size:8px}.course[data-length=short] .course-professor,.course[data-length=short] .course-time,.course[data-length=medium] .course-time{display:none}.course:focus{outline-offset:-2px;min-height:0}#lookup-input{height:32px;font-size:16px}.lookup-entry{max-height:68px}#building-options label{min-height:36px}}@media (prefers-reduced-motion:reduce){.building-index{transition:none}}