:root{color-scheme:light dark;--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--text: #f1f5f9;--muted: #94a3b8;--accent: #10b981;--accent-2: #3b82f6;--open: #10b981;--closed: #ef4444;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:1200px;margin:0 auto;padding:0 24px 40px;display:flex;flex-direction:column;min-height:100vh}.app__header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px 0;border-bottom:1px solid var(--surface-2)}.app__logo{font-size:1.4rem;font-weight:800;cursor:pointer}.accent{color:var(--accent)}.app__nav{display:flex;gap:8px}.app__nav button{background:none;border:none;color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:.9rem}.app__nav button.active{color:var(--text);background:var(--surface)}.app__meta{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:12px}.lang-toggle{background:var(--surface-2);color:var(--text);border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:.8rem}.schedule-grid,.schedule-grid *{direction:ltr}.app__loading{text-align:center;padding:40px}.error{color:var(--closed)}.muted{color:var(--muted)}.app__footer{margin-top:auto;padding:20px 0;border-top:1px solid var(--surface-2);display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted)}.home__hero{text-align:center;padding:60px 0 20px}.home__hero h1{font-size:2.6rem;margin:0 0 8px}.home__hero>p{margin:0 0 24px}.home__hero .filter-bar{max-width:700px;margin:0 auto;text-align:left}.home__results{margin-top:32px}.home__results h2{font-size:1.2rem}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}.filter-bar{background:var(--surface);border-radius:12px;padding:12px}.filter-bar__search{display:flex;align-items:center;gap:8px;background:var(--bg);border-radius:8px;padding:10px 14px;border:1px solid var(--surface-2)}.filter-bar__search input{flex:1;background:none;border:none;color:var(--text);font-size:.95rem;outline:none}.filter-bar__toggle{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:none;color:var(--muted);padding:10px 4px;cursor:pointer;font-size:.85rem;margin-top:4px}.filter-bar__panel{padding:8px 4px 4px;border-top:1px solid var(--surface-2);margin-top:4px}.filter-bar__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}.filter-bar__grid label{display:flex;flex-direction:column;gap:4px;font-size:.75rem;color:var(--muted)}.filter-bar__grid select,.filter-bar__grid input{padding:7px 8px;border-radius:6px;border:1px solid var(--surface-2);background:var(--bg);color:var(--text);font-size:.85rem}.filter-bar__reset{margin-top:10px;background:none;border:none;color:var(--muted);cursor:pointer;font-size:.8rem;float:right}.course-card{background:var(--surface);border-radius:10px;padding:12px;border:1px solid var(--surface-2)}.course-card__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.course-card__badges{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.course-card__right{display:flex;align-items:center;gap:6px}.dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex-shrink:0}.badge{padding:2px 8px;border-radius:6px;font-size:.7rem;font-weight:600;background:var(--surface-2);color:var(--text)}.badge--open{background:#10b98126;color:var(--open)}.badge--closed{background:#ef444426;color:var(--closed)}.badge--unknown{background:#94a3b826;color:var(--muted)}.badge--section{background:#10b98126;color:var(--accent)}.crn{font-size:.75rem;color:var(--muted);font-family:monospace}.course-card__title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px}.course-card__title-row h4{margin:0;font-size:.9rem;line-height:1.3}.course-card__add{flex-shrink:0;width:26px;height:26px;border-radius:6px;border:none;background:var(--accent);color:#fff;font-size:1rem;cursor:pointer;line-height:1}.course-card__add:disabled{background:var(--surface-2);color:var(--muted);cursor:default}.course-card__meeting{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:6px 0;border-top:1px dashed var(--surface-2)}.course-card__meeting:first-of-type{border-top:none}.day-pills{display:flex;gap:3px}.day-pill{width:20px;height:20px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:.65rem;background:var(--bg);color:var(--muted)}.day-pill--active{background:var(--accent);color:#fff;font-weight:700}.course-card__meeting-info{display:flex;flex-direction:column;align-items:flex-end;font-size:.72rem;gap:1px}.course-card__time{color:var(--accent-2);font-weight:600}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;justify-content:flex-end;z-index:50}.drawer{width:min(480px,100%);background:var(--bg);height:100%;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;border-left:1px solid var(--surface-2)}.drawer__header{display:flex;justify-content:space-between;align-items:center}.drawer__header h3{margin:0}.drawer__close{background:none;border:none;color:var(--muted);font-size:1.4rem;cursor:pointer}.drawer__list{display:flex;flex-direction:column;gap:10px}.planner__toolbar{display:flex;justify-content:space-between;align-items:center;margin:20px 0 12px}.planner__toolbar-actions{display:flex;align-items:center;gap:10px}.btn-primary{background:var(--accent);color:#fff;border:none;padding:8px 16px;border-radius:8px;cursor:pointer;font-weight:600}.planner__tabs{display:flex;gap:6px;align-items:center;margin-bottom:12px;flex-wrap:wrap}.planner__tab{display:flex;align-items:center;gap:6px;padding:8px 12px;border-radius:8px 8px 0 0;border:1px solid var(--surface-2);background:var(--surface);color:var(--muted);cursor:pointer;font-size:.85rem}.planner__tab.active{color:var(--text);border-bottom-color:var(--bg)}.planner__tab-close{color:var(--muted);cursor:pointer}.planner__tab-add{background:none;border:1px dashed var(--surface-2);color:var(--muted);border-radius:6px;width:30px;height:30px;cursor:pointer}.planner__body{display:grid;grid-template-columns:280px 1fr;gap:24px}.planner__sidebar{background:var(--surface);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px;height:fit-content}.planner__main{background:var(--surface);border-radius:12px;padding:16px;overflow-x:auto}.planner__empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 0;color:var(--muted)}.planner__empty-icon{font-size:2.5rem;margin-bottom:12px}.selected-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.selected-list li{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;background:var(--bg);border-radius:6px;padding:6px 10px}.selected-list button{background:none;border:none;color:var(--closed);cursor:pointer;font-size:1rem}.checkbox-row{display:flex;align-items:center;gap:8px;font-size:.9rem}.field-row{display:flex;flex-direction:column;gap:4px;font-size:.85rem}.field-row select,.field-row input{padding:6px 8px;border-radius:6px;border:1px solid var(--surface-2);background:var(--bg);color:var(--text)}.pager{display:flex;align-items:center;justify-content:space-between;gap:8px}.pager button{padding:6px 10px;border-radius:6px;border:none;background:var(--surface-2);color:var(--text);cursor:pointer}.pager button:disabled{opacity:.4;cursor:default}.export-buttons{display:flex;flex-direction:column;gap:6px}.export-buttons button{padding:8px;border-radius:6px;border:none;background:var(--accent-2);color:#fff;cursor:pointer}.schedule-grid{background:#fff;color:#111;border-radius:12px;padding:16px;min-width:640px}.schedule-grid__header{display:grid;grid-template-columns:60px repeat(auto-fit,minmax(100px,1fr))}.schedule-grid__day-label{text-align:center;font-weight:600;padding-bottom:8px}.schedule-grid__body{position:relative;display:grid;grid-template-columns:60px repeat(auto-fit,minmax(100px,1fr))}.schedule-grid__hours{position:relative}.schedule-grid__hour{position:absolute;font-size:.7rem;color:#64748b;transform:translateY(-50%)}.schedule-grid__column{position:relative;border-left:1px solid #e2e8f0}.schedule-grid__event{position:absolute;left:2px;right:2px;border-radius:6px;padding:4px 6px;color:#fff;font-size:.7rem;display:flex;flex-direction:column;overflow:hidden}.schedule-grid__legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;font-size:.8rem}.schedule-grid__legend-item{display:flex;align-items:center;gap:6px}@media (max-width: 720px){.planner__body{grid-template-columns:1fr}}