:root{
  --nav:#0b1220;--nav2:#111c31;--ink:#172033;--muted:#667085;--line:#e6eaf0;--bg:#f4f6fa;--card:#fff;
  --blue:#2563eb;--cyan:#06b6d4;--purple:#7c3aed;--green:#16a34a;--amber:#d97706;--red:#dc2626;
  --shadow:0 10px 30px rgba(15,23,42,.08);--radius:18px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}button,a{transition:.2s ease}.app-shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:280px;background:linear-gradient(180deg,var(--nav),#0a1020 72%,#070c17);color:#fff;padding:22px 16px;display:flex;flex-direction:column;z-index:40;overflow-y:auto}.brand{display:flex;gap:13px;align-items:center;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.08)}.brand-mark{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,var(--purple));font-weight:900;letter-spacing:-1px;color:#fff;box-shadow:0 10px 25px rgba(37,99,235,.3)}.brand strong{font-size:16px;line-height:1.1;display:block}.brand span{display:block;color:#9dadc5;font-size:12px;margin-top:5px}.menu{padding:18px 0;display:flex;flex-direction:column;gap:4px}.menu-group{margin:10px 0 3px;padding:0 11px;color:#72829e;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.13em}.menu-item{border:0;background:transparent;color:#c4cede;text-align:left;padding:10px 12px;border-radius:12px;cursor:pointer;display:flex;align-items:center;gap:10px;width:100%;font-size:13px;line-height:1.25}.menu-item:hover{background:rgba(255,255,255,.06);color:#fff}.menu-item.active{background:linear-gradient(135deg,rgba(37,99,235,.85),rgba(124,58,237,.72));color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.2)}.menu-icon{width:25px;height:25px;display:grid;place-items:center;border-radius:8px;background:rgba(255,255,255,.08);font-size:12px;flex:0 0 auto}.menu-item.active .menu-icon{background:rgba(255,255,255,.17)}.menu-badge{margin-left:auto;font-size:9px;padding:3px 6px;border-radius:999px;background:rgba(255,255,255,.1);color:#94a3b8}.menu-badge.ready{color:#86efac}.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.08);padding:15px 10px 0;color:#8190a8}.privacy-note{font-size:12px;color:#c6d0df;margin-bottom:4px}.privacy-note span{color:#22c55e}.sidebar-footer small{font-size:10px}.main{grid-column:2;min-width:0}.topbar{height:88px;background:rgba(255,255,255,.92);backdrop-filter:blur(15px);position:sticky;top:0;z-index:25;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 30px;gap:18px}.page-heading{min-width:0}.page-heading span{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--blue)}.page-heading h1{font-size:22px;margin:4px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top-actions{margin-left:auto;display:flex;align-items:center;gap:9px}.source-pill{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:11px;color:var(--muted);white-space:nowrap}.pulse{width:8px;height:8px;border-radius:50%;background:#f59e0b;box-shadow:0 0 0 5px rgba(245,158,11,.12)}.source-pill.live .pulse{background:#22c55e;box-shadow:0 0 0 5px rgba(34,197,94,.12)}.source-pill.seed .pulse{background:#f59e0b}.primary-btn,.secondary-btn,.icon-btn{border:0;border-radius:11px;padding:10px 14px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.primary-btn{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(37,99,235,.22)}.primary-btn:hover{transform:translateY(-1px);box-shadow:0 11px 22px rgba(37,99,235,.3)}.secondary-btn{background:#fff;border:1px solid var(--line);color:#344054}.secondary-btn:hover{border-color:#cbd5e1;background:#f8fafc}.mobile-menu{display:none;background:#eef2ff;color:var(--blue);padding:9px 11px}.content{padding:26px 30px 44px;max-width:1680px;margin:0 auto}.footer{padding:15px 30px 24px;color:#98a2b3;font-size:11px;display:flex;justify-content:space-between;gap:20px}.hero{position:relative;overflow:hidden;border-radius:24px;background:linear-gradient(125deg,#111827,#132b54 58%,#3b2072);color:#fff;padding:28px 30px;margin-bottom:22px;box-shadow:var(--shadow)}.hero:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-90px;top:-150px;background:radial-gradient(circle,rgba(34,211,238,.3),transparent 65%)}.hero:before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:150px;bottom:-170px;background:radial-gradient(circle,rgba(168,85,247,.35),transparent 68%)}.hero>*{position:relative;z-index:1}.hero-eyebrow{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:6px 10px;font-size:11px;color:#dbeafe}.hero h2{font-size:30px;margin:14px 0 8px;letter-spacing:-.03em}.hero p{color:#bdc9dc;max-width:760px;margin:0;line-height:1.65}.hero-meta{display:flex;gap:18px;margin-top:20px;flex-wrap:wrap}.hero-meta span{font-size:12px;color:#dbeafe}.hero-meta strong{color:#fff}.grid{display:grid;gap:18px}.kpi-grid{grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:20px}.kpi-card{background:var(--card);border:1px solid rgba(226,232,240,.8);border-radius:var(--radius);padding:18px;box-shadow:0 4px 18px rgba(15,23,42,.045);position:relative;overflow:hidden}.kpi-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent,var(--blue))}.kpi-label{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.07em}.kpi-value{font-size:27px;font-weight:850;letter-spacing:-.04em;margin:8px 0 3px}.kpi-note{font-size:11px;color:#98a2b3}.panel-grid{grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);margin-bottom:20px}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 4px 18px rgba(15,23,42,.045);min-width:0}.panel-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.panel-head h3{margin:0;font-size:15px}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:11px}.panel-body{padding:19px 20px}.chart-wrap{position:relative;height:310px}.chart-wrap.short{height:255px}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.search-box{position:relative;min-width:240px;flex:1}.search-box input{width:100%;border:1px solid var(--line);border-radius:11px;padding:10px 12px 10px 36px;background:#fff;outline:none}.search-box:before{content:"⌕";position:absolute;left:13px;top:8px;color:#98a2b3;font-size:18px}.search-box input:focus,select:focus{border-color:#93c5fd;box-shadow:0 0 0 3px rgba(59,130,246,.1)}select{border:1px solid var(--line);border-radius:11px;padding:10px 12px;background:#fff;color:#344054;outline:none}.table-shell{overflow:auto;max-height:630px;border-radius:0 0 var(--radius) var(--radius}.data-table{width:100%;border-collapse:separate;border-spacing:0;font-size:12px}.data-table th{position:sticky;top:0;z-index:5;background:#f8fafc;color:#475467;text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);font-size:10px;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}.data-table td{padding:11px 12px;border-bottom:1px solid #eef1f5;color:#344054;vertical-align:top}.data-table tbody tr:hover td{background:#f8fbff}.data-table .num{text-align:center;font-variant-numeric:tabular-nums}.data-table .name-cell{font-weight:700;min-width:220px}.data-table .sticky-first{position:sticky;left:0;background:#fff;z-index:3}.data-table th.sticky-first{background:#f8fafc;z-index:7}.data-table tbody tr:hover .sticky-first{background:#f8fbff}.grade-badge,.status-badge,.level-badge{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;white-space:nowrap}.grade-badge{min-width:34px;padding:5px 8px;color:#fff;font-size:11px}.grade-Aplus,.grade-A,.grade-Aminus{background:#059669}.grade-Bplus,.grade-B{background:#2563eb}.grade-Cplus,.grade-C{background:#7c3aed}.grade-D,.grade-E{background:#d97706}.grade-G{background:#dc2626}.grade-TH{background:#64748b}.status-badge{padding:5px 8px;background:#eef2ff;color:#4f46e5;font-size:10px}.level-badge{padding:5px 8px;font-size:10px}.level-critical{background:#fee2e2;color:#b91c1c}.level-weak{background:#ffedd5;color:#c2410c}.level-medium{background:#fef3c7;color:#92400e}.level-good{background:#dcfce7;color:#166534}.level-excellent{background:#dbeafe;color:#1d4ed8}.progress{height:8px;background:#edf1f5;border-radius:999px;overflow:hidden;min-width:90px}.progress>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan))}.progress.danger>span{background:linear-gradient(90deg,#ef4444,#f97316)}.progress.warn>span{background:linear-gradient(90deg,#f59e0b,#facc15)}.exam-list{display:flex;flex-direction:column;gap:10px}.exam-row{display:grid;grid-template-columns:minmax(190px,1fr) repeat(5,90px);align-items:center;gap:10px;padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:#fff;cursor:pointer}.exam-row:hover{border-color:#bfdbfe;box-shadow:0 5px 15px rgba(37,99,235,.07)}.exam-row strong{font-size:12px}.exam-row small{display:block;color:#98a2b3;margin-top:3px}.exam-metric{font-size:11px;color:#667085;text-align:center}.exam-metric b{display:block;color:#1d2939;font-size:13px;margin-bottom:2px}.empty-state{background:#fff;border:1px dashed #cbd5e1;border-radius:20px;padding:58px 25px;text-align:center}.empty-icon{width:68px;height:68px;border-radius:20px;background:#eef2ff;display:grid;place-items:center;margin:0 auto 16px;font-size:28px}.empty-state h2{margin:0 0 8px}.empty-state p{color:var(--muted);max-width:590px;margin:0 auto;line-height:1.6}.analysis-list{display:grid;gap:12px}.analysis-card{border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff}.analysis-summary{display:grid;grid-template-columns:70px minmax(220px,1fr) 110px 95px;gap:14px;align-items:center;padding:15px 16px;cursor:pointer}.analysis-item{font-size:18px;font-weight:900;color:var(--blue)}.analysis-topic strong{display:block;font-size:12px}.analysis-topic small{display:block;color:#667085;margin-top:4px;line-height:1.4}.analysis-score{text-align:right;font-weight:900;font-size:18px}.analysis-score small{display:block;font-size:10px;color:#98a2b3;font-weight:600}.analysis-detail{display:none;border-top:1px solid var(--line);background:#f8fafc;padding:16px;grid-template-columns:1fr 1fr;gap:14px}.analysis-card.open .analysis-detail{display:grid}.detail-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}.detail-box h4{margin:0 0 7px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#667085}.detail-box p{margin:0;font-size:12px;line-height:1.65;color:#344054}.topic-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.topic-card{padding:14px;border:1px solid var(--line);border-radius:13px;background:#fff}.topic-card strong{display:block;font-size:12px;line-height:1.4}.topic-card span{display:block;color:var(--blue);font-size:20px;font-weight:850;margin-top:8px}.topic-card small{color:#98a2b3}.notice{border-radius:13px;padding:12px 14px;font-size:12px;line-height:1.5;margin-bottom:16px}.notice.info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.notice.warn{background:#fff7ed;color:#9a3412;border:1px solid #fed7aa}.loading-card{min-height:65vh;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center}.loader{width:42px;height:42px;border:4px solid #dbeafe;border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}.loading-card h2{margin:16px 0 5px}.loading-card p{margin:0;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}.modal{position:fixed;inset:0;z-index:100;display:none}.modal.open{display:block}.modal-backdrop{position:absolute;inset:0;background:rgba(2,6,23,.62);backdrop-filter:blur(4px)}.modal-panel{position:relative;max-width:900px;max-height:88vh;overflow:auto;margin:6vh auto;background:#fff;border-radius:22px;padding:25px;box-shadow:0 30px 80px rgba(2,6,23,.28)}.modal-close{position:absolute;right:16px;top:13px;width:34px;height:34px;border:0;border-radius:50%;background:#f1f5f9;cursor:pointer;font-size:23px}.student-header{padding:8px 45px 20px 0;border-bottom:1px solid var(--line)}.student-header h2{margin:0 0 5px}.student-header p{margin:0;color:var(--muted)}.student-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin:18px 0}.mini-kpi{border:1px solid var(--line);border-radius:13px;padding:13px}.mini-kpi span{font-size:10px;text-transform:uppercase;color:#98a2b3;font-weight:700}.mini-kpi b{display:block;font-size:20px;margin-top:5px}.item-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.item-chip{border:1px solid var(--line);border-radius:10px;padding:9px;text-align:center}.item-chip small{display:block;color:#98a2b3}.item-chip b{font-size:14px}.item-chip.zero{background:#fff1f2;border-color:#fecdd3}.mobile-overlay{display:none}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 15%,#1d4ed8 0,transparent 28%),radial-gradient(circle at 80% 80%,#7c3aed 0,transparent 30%),#0b1220}.login-card{width:min(420px,calc(100% - 32px));background:#fff;border-radius:24px;padding:32px;box-shadow:0 35px 90px rgba(0,0,0,.35)}.login-card .brand-mark{margin-bottom:20px}.login-card h1{margin:0 0 5px}.login-card p{margin:0 0 24px;color:var(--muted)}.login-card label{font-size:12px;font-weight:700}.login-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:11px;margin:7px 0 12px}.login-card button{width:100%;border:0;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;padding:12px;font-weight:700}.login-error{background:#fee2e2;color:#b91c1c;padding:10px;border-radius:9px;margin-bottom:10px;font-size:12px}
@media(max-width:1200px){.kpi-grid{grid-template-columns:repeat(3,1fr)}.panel-grid{grid-template-columns:1fr}.topic-cards{grid-template-columns:repeat(2,1fr)}.exam-row{grid-template-columns:minmax(180px,1fr) repeat(3,80px)}.exam-row .optional{display:none}}
@media(max-width:850px){.app-shell{display:block}.sidebar{transform:translateX(-100%);transition:.25s ease}.sidebar.open{transform:translateX(0)}.main{grid-column:auto}.mobile-overlay{position:fixed;inset:0;background:rgba(2,6,23,.55);z-index:35}.mobile-overlay.open{display:block}.mobile-menu{display:inline-flex}.topbar{height:auto;min-height:76px;padding:13px 16px}.page-heading h1{font-size:17px}.source-pill,.top-actions .secondary-btn{display:none}.content{padding:18px 15px 35px}.footer{padding:14px 16px;flex-direction:column}.kpi-grid{grid-template-columns:repeat(2,1fr);gap:11px}.hero{padding:22px}.hero h2{font-size:24px}.analysis-summary{grid-template-columns:55px 1fr 82px}.analysis-summary>.level-badge{display:none}.analysis-detail{grid-template-columns:1fr}.topic-cards{grid-template-columns:1fr}.modal-panel{margin:2vh 10px;max-height:96vh;padding:18px}.student-kpis{grid-template-columns:repeat(2,1fr)}.item-grid{grid-template-columns:repeat(3,1fr)}.exam-row{grid-template-columns:1fr repeat(2,70px)}.exam-row .optional2{display:none}}
@media(max-width:520px){.kpi-grid{grid-template-columns:1fr 1fr}.kpi-card{padding:15px}.kpi-value{font-size:22px}.top-actions{gap:5px}.primary-btn{padding:9px 10px;font-size:12px}.panel-head{padding:15px}.panel-body{padding:15px}.chart-wrap{height:260px}.toolbar{align-items:stretch}.search-box{min-width:100%}.analysis-summary{grid-template-columns:45px 1fr 70px;padding:12px}.analysis-item{font-size:15px}.analysis-score{font-size:15px}.item-grid{grid-template-columns:repeat(2,1fr)}}
@media print{.sidebar,.topbar,.footer,.toolbar,.mobile-overlay{display:none!important}.app-shell{display:block}.main{display:block}.content{padding:0}.panel,.kpi-card,.hero{box-shadow:none;break-inside:avoid}.table-shell{max-height:none;overflow:visible}.data-table th{position:static}.chart-wrap{height:240px}.hero{background:#172033!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}}