:root{--primary:#2563eb;--primary-dark:#1d4ed8;--sidebar:#0f172a;--background:#f4f7fb;--surface:#fff;--text-primary:#111827;--text-secondary:#64748b;--border:#e5e7eb;--success:#16a34a;--warning:#f59e0b;--danger:#dc2626;--radius:14px}*{box-sizing:border-box}body{margin:0;background:var(--background);font:14px/1.55 Inter,"Segoe UI",sans-serif;color:var(--text-primary)}a{color:var(--primary);text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #93c5fd}button,.btn{border:1px solid var(--border);background:white;padding:9px 14px;border-radius:8px;color:var(--text-primary)}h1{font-size:30px;line-height:1.2;letter-spacing:-.8px;margin:8px 0 12px}h2{font-size:19px;margin:0 0 18px}h3{font-size:15px;margin:0 0 18px}.brand{display:flex;gap:11px;align-items:center;color:#fff;letter-spacing:.04em;font-weight:700}.brand-mark{background:var(--primary);color:white;border-radius:11px;width:40px;height:40px;display:grid;place-items:center;flex-shrink:0}.brand small{display:block;font-size:10px;color:#94a3b8;font-weight:400;letter-spacing:0}.sidebar{position:fixed;inset:0 auto 0 0;width:260px;background:var(--sidebar);color:#cbd5e1;padding:27px 17px 16px;display:flex;flex-direction:column;z-index:30;transition:width .2s}.sidebar nav{overflow:auto;margin-top:12px;scrollbar-width:thin}.nav-label{font-size:10px;color:#94a3b8;font-weight:600;letter-spacing:.12em;margin:22px 12px 8px}.nav-link{display:flex;gap:12px;align-items:center;color:#a5b4c9;padding:9px 13px;border-radius:7px;font-size:13px;margin:2px 0}.nav-link i{font-size:15px}.nav-link:hover{background:#1e293b;color:#fff}.nav-link.active{color:#fff;background:#1d355e;box-shadow:inset 3px 0 #3b82f6}.sidebar-user{margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:9px}.sidebar-user strong,.sidebar-user small{display:block;font-size:11px}.sidebar-user form{margin-left:auto}.sidebar-user .icon-btn{color:#b4c4da}.avatar{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#dbeafe;color:var(--primary);font-weight:600;flex-shrink:0}.main{margin-left:260px;min-height:100vh}.topbar{height:76px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 32px;gap:20px}.icon-btn{border:0;background:transparent;font-size:20px;color:var(--text-secondary);padding:4px}.breadcrumb{font-size:12px;color:var(--text-secondary);white-space:nowrap}.breadcrumb b{font-weight:500;color:var(--text-primary)}.search-launch{display:flex;gap:10px;align-items:center;background:var(--background);border:0;color:var(--text-secondary);font-size:12px;margin-left:15px}kbd{border:1px solid var(--border);background:#fff;font:10px inherit;border-radius:4px;padding:2px 5px}.top-actions{margin-left:auto;display:flex;gap:16px;align-items:center}.date{font-size:11px;color:var(--text-secondary);white-space:nowrap}.content{padding:30px 32px;max-width:1800px;margin:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.13em;color:var(--text-secondary)}.muted{color:var(--text-secondary)}.small{font-size:12px}.btn-primary{display:inline-block;background:var(--primary);border:1px solid var(--primary);color:#fff;border-radius:8px;padding:10px 17px;font-weight:600;font-size:13px}.btn-primary:hover{background:var(--primary-dark)}.wide{width:100%;margin-top:16px}.app-card,.data-table-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:23px;margin-bottom:20px;box-shadow:0 2px 3px #0f172a02}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:24px}.stat-card{margin:0;position:relative;overflow:hidden}.stat-card small{display:block;color:var(--text-secondary);font-size:11px;font-weight:500}.stat-card strong{display:block;font-size:28px;font-weight:650;letter-spacing:-.6px;margin:12px 0}.stat-card .trend{font-size:11px;color:var(--text-secondary)}.stat-icon{position:absolute;right:18px;top:18px;background:#eff6ff;color:var(--primary);border-radius:9px;padding:7px}.dashboard-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:22px}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:22px}.toolbar input,.toolbar select{width:auto;margin:0}.toolbar .btn-primary{margin-left:auto}.status-badge{display:inline-block;background:#e9f7ee;color:#15803d;font-size:11px;padding:5px 10px;border-radius:6px}.alert{border-radius:9px;padding:13px 17px;margin-bottom:20px}.success{background:#e8f7ee;color:#166534}.error{background:#fef2f2;color:#991b1b}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}.form-grid .full{grid-column:1/-1}label{display:block;font-size:12px;color:#475569;font-weight:500;margin-bottom:12px}input,select,textarea{display:block;width:100%;padding:10px 12px;border:1px solid #dce2eb;border-radius:8px;background:#fff;margin-top:7px;color:#111827;min-width:0}input:focus,select:focus,textarea:focus{outline:3px solid #dbeafe;border-color:#93b4f9}input[type=checkbox]{width:auto;display:inline}fieldset{border:0;padding:0;margin:0 0 22px}legend{font-size:15px;font-weight:600;padding:0 0 15px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}th{font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#64748b;background:#f8fafc;position:sticky;top:0}th,td{padding:13px 15px;border-bottom:1px solid #edf1f6}td{font-size:12px}tr:hover td{background:#fafcff}.pagination{display:flex;gap:12px;align-items:center;justify-content:flex-end;margin-top:14px;font-size:11px}.pagination button{font-size:11px;padding:5px 9px}.empty-state{text-align:center;padding:42px 15px;color:var(--text-secondary)}.tabs{display:flex;gap:7px;margin-bottom:20px;flex-wrap:wrap}.tabs a{padding:9px 15px;border-radius:8px;background:#fff;border:1px solid var(--border);font-size:12px}.tabs .active{background:var(--primary);color:white}.page-footer{display:flex;justify-content:space-between;color:#94a3b8;font-size:10px;padding:5px 32px 22px}.seat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:14px}.seat-card{background:#ecfdf5;border:1px solid #a7f3d0;padding:20px 10px;text-align:center;border-radius:10px;color:#047857}.seat-card.occupied{background:#fef2f2;color:#b91c1c;border-color:#fecaca}.seat-card.reserved{background:#fffbeb;color:#b45309;border-color:#fde68a}.seat-card.maintenance{background:#f1f5f9;color:#64748b;border-color:#cbd5e1}.seat-card small{display:block;font-size:10px}.seat-card strong{display:block;font-size:18px}dialog{border:1px solid var(--border);border-radius:14px;padding:28px;max-width:650px;width:92%;box-shadow:0 25px 100px #0003}dialog::backdrop{background:#0f172a70}.close{float:right}.search-result{display:block;padding:14px;border-bottom:1px solid var(--border)}.collapsed .sidebar{width:80px}.collapsed .main{margin-left:80px}.collapsed .brand>span,.collapsed .nav-link>span,.collapsed .nav-label,.collapsed .sidebar-user>div:not(.avatar),.collapsed .sidebar-user form{display:none}.collapsed .nav-link{justify-content:center}.collapsed .sidebar-user{justify-content:center}.chart{height:240px}.login-page{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh;background:white}.login-story{background:#0f172a;color:#fff;padding:50px 65px;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh;background-image:radial-gradient(ellipse at 100% 80%,#1e3a8a70,transparent 70%)}.login-story h1{font-size:43px;line-height:1.22;margin:22px 0}.login-story p{color:#94a3b8;line-height:1.8}.login-story .eyebrow{color:#7da7ff}.story-grid{display:flex;gap:45px;margin-top:50px;color:#64748b;font-size:13px}.story-grid b{color:#b9c5d5;font-weight:400}.login-story>small{color:#64748b;font-size:11px}.login-form{display:grid;place-items:center;padding:40px}.login-form .app-card{border:0;box-shadow:none;width:100%;max-width:430px}.login-form h1{font-size:27px}.login-form form{margin-top:30px}.bottom-nav{display:none}.wizard-progress{display:flex;gap:8px;margin-bottom:22px}.wizard-progress span{padding:7px 12px;border-radius:6px;background:#eff6ff;color:#2563eb;font-size:12px}.review{white-space:pre-wrap;background:#f8fafc;padding:18px;border-radius:10px}.bar-row{display:flex;align-items:center;gap:12px;margin:12px 0;font-size:12px}.bar-row span{width:70px}.bar-row i{display:block;height:12px;background:#3b82f6;border-radius:3px}.bar-row b{margin-left:auto;font-size:11px}.student-app .content{max-width:1050px}
@media(max-width:1200px){.search-launch span,.date{display:none}.stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.topbar{gap:12px;padding:0 22px}}
@media(max-width:900px){.sidebar{transform:translateX(-100%);width:260px}.sidebar.open{transform:none}.main,.collapsed .main{margin-left:0}.collapsed .sidebar{width:260px}.collapsed .brand>span,.collapsed .nav-link>span,.collapsed .nav-label{display:block}.collapsed .nav-link{justify-content:flex-start}.topbar{padding:0 18px}.content{padding:22px 18px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid{grid-template-columns:1fr}.login-page{grid-template-columns:1fr}.login-story{display:none}.login-form{padding:20px}.student-app .bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:white;border-top:1px solid var(--border);justify-content:space-around;padding:17px 6px;z-index:20;font-size:12px}.student-app .main{padding-bottom:60px}.page-footer{padding:10px 18px}}
@media(max-width:560px){h1{font-size:26px}.form-grid{grid-template-columns:1fr}.topbar .breadcrumb{display:none}.search-launch{margin-left:0}.stat-card{padding:16px}.stat-card strong{font-size:24px}.stat-icon{display:none}.app-card{padding:18px}.toolbar input,.toolbar select{width:100%}.toolbar .btn-primary{margin-left:0}.page-header{gap:12px}.page-footer span{display:none}}
@media print{.sidebar,.topbar,.toolbar,button,.bottom-nav,.page-footer,dialog{display:none!important}.main{margin:0}.content{padding:0}.app-card{border:0;box-shadow:none}.table-scroll{overflow:visible}tr[hidden]{display:table-row!important}.pagination{display:none}.stat-grid{grid-template-columns:repeat(4,1fr)}}