:root{--bg-color:#0f172a;--card-bg:#1e293b;--text:#f8fafc;--text-dim:#94a3b8;--primary:#6366f1;--primary-hover:#4f46e5;--success:#10b981;--danger:#ef4444;--info:#3b82f6;--border:#334155;--border-light:#ffffff0d;--color-public:#6366f1;--color-dept:#10b981;--color-private:#a855f7}[data-theme=light]{--bg-color:#f1f5f9;--card-bg:#fff;--text:#0f172a;--text-dim:#64748b;--primary:#4f46e5;--primary-hover:#4338ca;--success:#059669;--danger:#dc2626;--info:#2563eb;--border:#e2e8f0;--border-light:#0000000d;--color-public:#4f46e5;--color-dept:#059669;--color-private:#9333ea}*{box-sizing:border-box;margin:0;padding:0;font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,sans-serif;transition:background-color .3s,color .3s,border-color .3s}body{background-color:var(--bg-color);color:var(--text);min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:40px 20px}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;margin-bottom:24px;padding:24px;box-shadow:0 4px 20px #0000001a}h1,h2,h3{letter-spacing:-.02em}.header{justify-content:space-between;align-items:center;margin-bottom:40px;display:flex}button{cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;border:none;padding:10px 20px}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #6366f14d}.btn-secondary{color:var(--text);border:1px solid var(--border);background:0 0;padding:10px 20px}.btn-secondary:hover{background:var(--border-light)}.btn-danger{color:var(--danger);background:#ef44441a;border:1px solid #ef444433;padding:10px 20px}.btn-danger:hover{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff;border:none;padding:10px 20px}input,textarea,select{border:1px solid var(--border);background:var(--card-bg);width:100%;color:var(--text);border-radius:8px;outline:none;padding:12px 16px;font-size:14px}select option{background:var(--card-bg);color:var(--text)}input:focus,textarea:focus,select:focus{border-color:var(--primary)}.calendar-container{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;overflow:hidden}.calendar-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:24px;display:flex}.calendar-grid{grid-template-columns:repeat(7,1fr);display:grid}.calendar-day-header{text-align:center;color:var(--text-dim);border-bottom:1px solid var(--border);background:#0000000d;padding:12px;font-size:12px;font-weight:700}.calendar-day{border-right:1px solid var(--border);border-bottom:1px solid var(--border);cursor:pointer;min-height:120px;padding:8px}.calendar-day:nth-child(7n){border-right:none}.calendar-day-today{background:#6366f10d}.calendar-day-today .calendar-date-number{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.calendar-event-chip{white-space:nowrap;text-overflow:ellipsis;border:1px solid #0000;border-radius:4px;margin-bottom:2px;padding:4px 8px;font-size:11px;overflow:hidden}.animate-fade-in{animation:.4s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--card-bg);border-radius:20px;width:100%;max-width:500px;max-height:90vh;padding:32px;overflow-y:auto}.theme-toggle{background:var(--card-bg);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;display:flex}.ad-slot{background:var(--border-light);color:var(--text-dim);border:1px dashed var(--border);text-transform:uppercase;letter-spacing:1px;border-radius:12px;justify-content:center;align-items:center;margin:16px 0;font-size:11px;display:flex;position:relative;overflow:hidden}.ad-slot:before{content:"AD";opacity:.2;font-weight:700;position:absolute;top:4px;left:6px}.ad-leaderboard{width:100%;max-width:970px;height:90px;margin:0 auto 32px}.ad-bottom{width:100%;max-width:728px;height:100px;margin-top:48px;margin-left:auto;margin-right:auto}.main-footer{border-top:1px solid var(--border);flex-direction:column;gap:24px;margin-top:80px;padding-top:40px;padding-bottom:60px;display:flex}.footer-top{flex-wrap:wrap;justify-content:space-between;gap:32px;display:flex}.footer-brand h4{margin-bottom:8px;font-size:18px;font-weight:800}.footer-brand p{color:var(--text-dim);font-size:13px}.footer-links{gap:40px;display:flex}.footer-link-col h5{color:var(--text);margin-bottom:12px;font-size:14px}.footer-link-col a{color:var(--text-dim);margin-bottom:8px;font-size:13px;text-decoration:none;transition:all .2s;display:block}.footer-link-col a:hover{color:var(--primary)}.copy{color:var(--text-dim);margin-top:20px;font-size:12px}@media (width<=768px){.footer-top{flex-direction:column}.footer-links{flex-direction:column;gap:24px}}