:root{--bg:#f8fafc;--soft:#fff;--card:#fff;--border:#f1f5f9;--text:#1e293b;--muted:#64748b;--primary:#c89b6a;--primary-dark:#8c5f35;--sidebar-label:#a39384;--accent:#f4c542;--accent-soft:#fff4cf;--teal-accent:#0d9488;--danger:#ef4444;--success:#22c55e;--shadow:0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);--nav-height:72px;--sidebar-width:300px}*{box-sizing:border-box;margin:0;padding:0;font-family:Prompt,sans-serif}body{background-color:var(--bg);color:var(--text)}.admin-layout{flex-direction:column;min-height:100vh;display:flex}.admin-topbar{height:var(--nav-height);backdrop-filter:blur(12px);z-index:1000;background:rgba(255,255,255,.8);border-bottom:1px solid rgba(241,245,249,.5);justify-content:space-between;align-items:center;padding:0 24px;display:flex;position:sticky;top:0;box-shadow:0 4px 30px rgba(0,0,0,.03)}.admin-brand-v2{align-items:center;gap:15px;display:flex}.logo-icon{color:var(--primary);font-size:32px}.admin-brand-v2>div{flex-shrink:1;min-width:0}.admin-brand-v2 h2{color:var(--teal-accent);font-size:20px;font-weight:800}.admin-brand-v2 p{color:var(--muted);white-space:nowrap;font-size:10px}.topbar-right{align-items:center;display:flex}.admin-profile-info{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:10px;padding:5px 12px;display:flex}.admin-name-display{color:#334155;font-size:13px;font-weight:500}.role-badge{color:var(--teal-accent);background:#f0fdfa;border-radius:4px;padding:2px 8px;font-size:10px;font-weight:800}.icon-btn{border:1px solid var(--border);color:var(--danger);cursor:pointer;background:#fff;border-radius:50%;justify-content:center;align-items:center;width:35px;height:35px;font-size:18px;transition:all .3s;display:flex}.logout-trigger:hover{background:var(--danger);color:#fff;transform:rotate(90deg);box-shadow:0 4px 12px rgba(239,68,68,.2)}.admin-main-container{flex:1;display:flex}.admin-sidebar{width:var(--sidebar-width);border-right:1px solid var(--border);top:var(--nav-height);height:calc(100vh - var(--nav-height));background:#fff;padding:30px 20px;position:sticky;overflow-y:auto}.sidebar-group{margin-bottom:30px}.sidebar-group label{color:var(--sidebar-label);letter-spacing:1px;margin-bottom:15px;padding-left:10px;font-size:11px;font-weight:700;display:block}.sidebar-nav{flex-direction:column;gap:5px;display:flex}.sidebar-nav button{text-align:left;cursor:pointer;color:var(--text);background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;padding:12px 15px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.sidebar-divider{background:var(--border);opacity:.5;height:1px;margin:10px 0}.sidebar-year-group{margin-bottom:5px}.year-toggle{color:var(--muted);cursor:pointer;border-radius:10px;justify-content:space-between;align-items:center;padding:10px 15px 10px 40px;font-size:13px;font-weight:600;transition:all .2s;display:flex}.year-toggle:hover{background:var(--soft);color:var(--primary-dark)}.sidebar-submenu{flex-direction:column;gap:2px;margin-bottom:10px;padding-left:50px;display:flex}.sidebar-sub-item{cursor:pointer;color:var(--muted);border-radius:8px;padding:8px 12px;font-size:12px;transition:all .2s}.sidebar-sub-item:hover{background:var(--soft);color:var(--teal-accent)}.sidebar-sub-item.active{background:var(--accent-soft);color:var(--primary-dark);font-weight:700}.sidebar-nav button:hover{background-color:var(--soft);color:var(--teal-accent)}.sidebar-nav button.active{background-color:var(--soft);color:var(--teal-accent);font-weight:700}.admin-main-content{background-color:#f8fafc;flex:1;padding:40px}.admin-stats-container{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;width:100%;max-width:1000px;margin-bottom:30px;margin-left:auto;margin-right:auto;display:grid}.admin-stat-card{border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:24px;align-items:center;gap:20px;width:100%;height:100%;padding:24px;transition:all .3s;display:flex}.admin-stat-card:hover{border-color:var(--teal-accent);transform:translateY(-4px)}.stat-icon-box{background:var(--soft);width:56px;height:56px;color:var(--teal-accent);border-radius:16px;justify-content:center;align-items:center;font-size:24px;display:flex}.stat-info .stat-value{color:var(--text);font-size:28px;font-weight:800;line-height:1;display:block}.stat-info .stat-label{color:var(--muted);font-size:14px;font-weight:500}.content-card{max-width:1000px;margin:0 auto}.content-header h2{color:var(--text);margin-bottom:30px;font-size:24px;font-weight:800}.admin-form-box{border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:24px;margin-bottom:35px;padding:30px}.admin-form-box h3{color:var(--primary-dark);margin-bottom:20px;font-size:18px}.input-group{grid-template-columns:1fr 1fr;gap:15px;display:grid}.input-group input,.input-group select{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:12px;outline:none;padding:12px 18px;font-size:14px}.submit-btn{background:var(--text);color:#000;cursor:pointer;border:none;border-radius:12px;grid-column:span 2;margin-top:10px;padding:14px;font-weight:700;transition:all .3s}.submit-btn:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}.list-card{border:1px solid var(--border);background:#fff;border-radius:18px;justify-content:space-between;align-items:center;margin-bottom:12px;padding:20px;display:flex}.list-card .info 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.25s,border-color .25s;box-shadow:0 4px 14px -8px rgba(140,95,53,.12)}.subject-card-modern:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 16px 32px -16px rgba(140,95,53,.28)}.subject-card-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.status-indicator{color:var(--muted);align-items:center;gap:6px;font-size:.78rem;font-weight:700;display:inline-flex}.stat-card-v2{transition:transform .28s,box-shadow .28s}.stat-card-v2:hover{transform:translateY(-4px);box-shadow:0 18px 32px -12px rgba(140,95,53,.18)!important}.year-folder-card:hover,.category-folder-card:hover{transform:translateY(-4px);border-color:var(--primary)!important;box-shadow:0 18px 34px -16px rgba(140,95,53,.25)!important}.content-card table tbody tr{transition:background .18s}.content-card table tbody tr:hover{background:#fdfbf9}.sidebar-nav button{position:relative}.sidebar-nav 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