:root{--bg: #070a12;--panel: rgba(255, 255, 255, .06);--panel-border: rgba(255, 255, 255, .12);--text: rgba(255, 255, 255, .92);--muted: rgba(255, 255, 255, .72);--brand: #00e5db;--brand-2: #2a3c7a;--danger: #ff5e5e;--shadow: 0 12px 40px rgba(0, 0, 0, .35);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:var(--text);background-color:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=light]{--bg: #f1f5f9;--panel: #ffffff;--panel-border: rgba(0, 0, 0, .1);--text: #0f172a;--muted: #64748b;--brand: #0d9488;--brand-2: #dbeafe;--danger: #ef4444;--shadow: 0 2px 12px rgba(0, 0, 0, .06);color:var(--text);background-color:var(--bg)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-body{display:flex;flex:1;min-height:100vh}.sidebar{width:260px;padding:24px 20px;border-right:1px solid var(--panel-border);background:#070a12f2;display:flex;flex-direction:column;gap:24px}.top-nav{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;border-bottom:1px solid var(--panel-border);background:#070a12eb;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:12px;font-weight:600;letter-spacing:.2px}.brand 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var(--panel-border)}.csv-table{width:100%;border-collapse:collapse;min-width:980px}.csv-table th,.csv-table td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.06);vertical-align:top}.csv-table th{text-align:left;font-size:.85rem;color:var(--muted);background:#0000002e;position:sticky;top:0}.csv-table td input,.csv-table td select{width:100%;padding:8px 10px;border-radius:10px;border:1px solid var(--panel-border);background:#0000004d;color:var(--text)}.qr-image{width:220px;height:220px;border-radius:12px;border:1px solid var(--panel-border)}@media(max-width:1024px){.app-body{flex-direction:column}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--panel-border);flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}.sidebar-section{min-width:200px}.content{padding:28px 20px 56px}}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:radial-gradient(ellipse 80% 50% 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8px}.student-landing-actions{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:28px}.student-landing-cta{text-align:center;text-decoration:none;display:inline-flex;justify-content:center;min-width:220px}.student-landing-secondary{font-size:.95rem;color:var(--brand);text-decoration:none}.student-landing-secondary:hover{text-decoration:underline}.student-landing-foot{text-align:center;font-size:.9rem;color:var(--muted)}.student-landing-foot a{color:var(--brand)}.staff-app-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.app-topnav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;border-bottom:1px solid 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var(--panel-border);background:#0003;font-size:.9rem}.student-app-title{font-weight:700;color:var(--brand);letter-spacing:.06em;text-transform:uppercase;font-size:.75rem}.student-app-email{flex:1;text-align:center;color:var(--muted);font-size:.85rem;overflow:hidden;text-overflow:ellipsis}.student-app-logout{padding:6px 12px;border-radius:999px;border:1px solid var(--panel-border);background:transparent;color:var(--muted);font-size:.85rem;cursor:pointer}.student-home-panel{margin-top:0}.student-home-lead{font-size:1.05rem}.student-home-notice{margin:16px 0 0;padding:14px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.06);background:#0003;font-size:.95rem;color:var(--muted)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.student-hub-page{max-width:1100px}.student-hub-topbar{flex-wrap:wrap;gap:12px}.student-hub-brand{display:flex;flex-direction:column;gap:2px;align-items:flex-start}.student-hub-tagline{font-size:.8rem;color:var(--muted);font-weight:500;text-transform:none;letter-spacing:0}.student-hub-calendar{background:var(--panel);border:1px solid var(--panel-border);border-radius:18px;padding:22px 20px 24px;margin-bottom:28px;box-shadow:var(--shadow)}.student-hub-cal-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.student-hub-cal-title{margin:0;font-size:1.25rem;font-weight:700}.student-hub-cal-nav{display:flex;align-items:center;gap:12px}.student-hub-cal-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--panel-border);background:#00000040;color:var(--text);font-size:1.25rem;line-height:1;cursor:pointer}.student-hub-cal-btn:hover{border-color:#00e5db66}.student-hub-cal-month{font-weight:600;min-width:180px;text-align:center}.student-hub-cal-intro{margin:0 0 14px;font-size:.9rem;color:var(--muted);line-height:1.45}.student-hub-cal-legend{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:.8rem;color:var(--muted);margin-bottom:14px}.student-hub-legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px}.student-hub-legend-dot.study{background:#4dd7ff}.student-hub-legend-dot.vespa{background:#00e5db}.student-hub-cal-table{width:100%;border-collapse:collapse;font-size:.85rem}.student-hub-cal-th{font-weight:600;color:var(--muted);padding:8px 4px;text-align:center}.student-hub-cal-td{vertical-align:top;padding:4px;border:1px solid rgba(255,255,255,.06);width:14.28%}.student-hub-cal-empty{background:#0000001f;border-color:transparent}.student-hub-cal-day{min-height:72px;padding:6px;border-radius:10px;background:#00000026}.student-hub-cal-day.is-today{outline:2px solid rgba(0,229,219,.55);outline-offset:1px}.student-hub-cal-day-num{font-weight:700;font-size:.95rem}.student-hub-cal-events{margin:6px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:4px}.student-hub-cal-pill{font-size:.65rem;font-weight:700;padding:2px 5px;border-radius:4px;line-height:1}.student-hub-cal-pill.study{background:#4dd7ff33;color:#9ee8ff}.student-hub-cal-pill.vespa{background:#00e5db2e;color:var(--brand)}.student-hub-cal-pill.other{background:#ffffff14;color:var(--muted)}.student-hub-cal-more{font-size:.65rem;color:var(--muted)}.student-hub-features{margin-top:8px}.student-hub-features-head{margin-bottom:16px}.student-hub-features-title{margin:0 0 6px;font-size:1.35rem;font-weight:700}.student-hub-features-note{margin:0;font-size:.9rem;color:var(--muted)}.student-hub-tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.student-hub-tile{height:100%;padding:18px 16px;border-radius:14px;border:1px solid var(--panel-border);background:#00000038;display:flex;flex-direction:column;gap:8px}.student-hub-tile-title{margin:0;font-size:1.05rem;font-weight:700}.student-hub-tile-short{margin:0;flex:1;font-size:.88rem;color:var(--muted);line-height:1.4}.student-hub-tile-link{align-self:flex-start;margin-top:4px;display:inline-flex;padding:8px 14px;border-radius:999px;background:linear-gradient(120deg,var(--brand),#4dd7ff);color:#02151a;font-weight:700;font-size:.9rem;text-decoration:none}.student-hub-tile-link:hover{filter:brightness(1.05);text-decoration:none}.student-hub-tile-blocked{margin-top:4px}.student-hub-tile-msg{margin:0 0 6px;font-size:.82rem;color:var(--muted)}.student-hub-tile-sub{font-size:.85rem}.student-feature-placeholder .panel{margin-top:16px}@media(max-width:720px){.app-topnav{flex-wrap:wrap}.app-topnav-nav{width:100%;order:3;padding-top:8px}}