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strong{display:block;margin-top:5px;font-size:28px;font-weight:700;color:var(--brand-strong)}.layout-grid{display:grid;grid-template-columns:.9fr 1fr;gap:16px}.panel{background:var(--surface);border:1px solid var(--stroke);border-radius:18px;padding:18px;box-shadow:var(--shadow);display:grid;gap:16px}.panel-wide{grid-column:1 / -1}.panel h2{margin:0;font-weight:700;color:var(--brand-strong)}.correction-card{gap:0;padding:0;overflow:hidden}.correction-card h2{margin:0;padding:22px 22px 16px;font-size:30px;line-height:1.15;letter-spacing:-.01em;color:#111827;max-width:78%;border-bottom:1px solid #e7ecff}.correction-card .field{padding:16px 22px;border-bottom:1px solid #edf1ff}.correction-card .field:last-of-type{border-bottom:none}.correction-card .field label{font-size:15px;color:#1f2a44}.correction-card .hint{color:#606a80}.correction-card .actions{margin:0;padding:16px 22px 20px;border-top:1px solid #eef2ff;background:linear-gradient(180deg,#fff,#f9fbff)}.correction-card .row{gap:10px}.correction-card .link{font-weight:600}.correction-card-wide .list{padding:0 22px 22px}.correction-card-wide .notice{margin:16px 22px 0}.field{display:grid;gap:8px}.field label{font-weight:600}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}select,input[type=text],input[type=file],textarea{width:100%;border-radius:14px;border:1px solid var(--stroke);background:var(--surface-2);color:var(--ink);font-family:inherit}select,input[type=text],input[type=file]{min-height:42px;padding:8px 10px}textarea{min-height:140px;padding:10px 12px;resize:vertical}button{border:none;border-radius:999px;min-height:40px;padding:0 16px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-strong) 100%);color:#fff;font-weight:600;cursor:pointer;box-shadow:0 10px 20px #6556ff33;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}button:hover{transform:translateY(-1px);box-shadow:0 14px 26px #6556ff3d;filter:saturate(1.05)}button:disabled{opacity:.45;cursor:not-allowed}button.ghost{background:var(--brand-soft);color:var(--brand-strong);border:1px solid #cbc3ff;box-shadow:none}.checkbox{display:flex;gap:8px;align-items:center;color:var(--muted)}.checkbox input{width:auto}.hint{margin:0;color:var(--muted);font-size:14px}.notice{margin:0;border-radius:10px;border:1px solid #d8d2ff;background:#f4f1ff;color:#44389b;padding:10px 12px}.toast{position:fixed;right:18px;top:18px;width:min(420px,calc(100% - 24px));background:#fff;border:1px solid #d6ddff;border-radius:14px;box-shadow:0 20px 44px #1a21bc29;overflow:hidden;z-index:1200}.toast-enter{animation:toast-in .2s ease forwards}.toast-exit{animation:toast-out .17s ease forwards}.toast-header{min-height:44px;display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid #ebefff;background:linear-gradient(90deg,#f7f8ff,#f0f4ff)}.toast-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);flex:0 0 10px}.me-auto{margin-right:auto}.text-body-secondary{color:#667085;font-size:12px}.btn-close{min-height:28px;width:28px;border-radius:50%;border:1px solid #d5dcff;background:#fff;color:#4b4f93;display:inline-flex;align-items:center;justify-content:center;padding:0;box-shadow:none}.btn-close:hover{transform:none;box-shadow:none;filter:none;background:#f4f6ff}.toast-body{padding:12px 12px 13px;color:#2a3154;font-size:14px;display:flex;align-items:center;gap:10px}.spinner-grow{width:14px;height:14px;border-radius:50%;background:currentColor;opacity:0;transform:scale(0);animation:spinner-grow .95s linear infinite;flex:0 0 14px}.text-primary{color:var(--brand)}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-7px) scale(.99)}}@keyframes spinner-grow{0%{transform:scale(0);opacity:0}50%{opacity:1}to{transform:scale(1);opacity:0}}.actions{display:flex;gap:8px;flex-wrap:wrap}.list{display:grid;gap:12px}.card{border:1px solid var(--stroke);border-radius:16px;padding:12px;background:var(--surface-2);display:grid;gap:10px}.card-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.card h3{margin:0;font-size:18px}.meta{margin:4px 0 0;color:var(--muted);font-size:13px}.score-pill{border:1px solid var(--stroke);border-radius:999px;padding:6px 10px;font-size:13px;white-space:nowrap;background:#f5f3ff;color:var(--brand-strong)}.review-box{border:1px solid var(--warning-stroke);background:var(--warning-bg);border-radius:10px;padding:10px}.review-box p{margin:0 0 8px}.review-box ul{margin:0;padding-left:18px}.card-body h4{margin:0 0 6px}.card-body p{margin:0;color:var(--muted)}.breakdown{margin:6px 0 0;color:var(--muted);padding-left:18px}.link{color:var(--brand-strong);text-decoration:none;font-weight:600}.link:hover{text-decoration:underline}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0e1e7a;z-index:1400;display:grid;place-items:center;padding:16px}.modal-card{width:min(560px,100%);background:#fff;border:1px solid #d9dff9;border-radius:16px;padding:16px;box-shadow:0 24px 50px #11182740;display:grid;gap:14px;max-height:calc(100vh - 32px);overflow:auto}.modal-large{width:min(980px,100%)}.modal-fullscreen{width:min(96vw,1800px);height:calc(100vh - 28px);max-height:calc(100vh - 28px);overflow:hidden}.modal-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.modal-head h3{margin:0;color:var(--brand-strong)}.grades-table-wrap{overflow:auto;border:1px solid var(--stroke);border-radius:10px;background:var(--surface-2)}.grades-table{width:100%;border-collapse:collapse;font-size:14px}.grades-table th,.grades-table td{border-bottom:1px solid var(--stroke);padding:8px 10px;text-align:left}.grades-table th{background:#f4f6ff;color:#2d3566}.copy-preview{width:100%;max-height:58vh;object-fit:contain;border:1px solid var(--stroke);border-radius:10px;background:#fff}.copy-preview-large{max-height:calc(100vh - 190px)}.link-text{color:var(--brand-strong);font-weight:700}.grades-row-clickable{cursor:pointer}.grades-row-clickable:hover td{background:#f8faff}.grades-row-clickable:hover .link-text{text-decoration:underline}.grade-viewer-layout{display:grid;grid-template-columns:1fr 1fr;gap:14px;min-height:0}.grade-pane{border:1px solid var(--stroke);border-radius:10px;background:var(--surface-2);padding:10px;min-height:0;overflow:auto}.grade-pane h4{margin:0 0 8px;color:var(--brand-strong)}.preview-list{display:grid;gap:10px}.grade-pdf-frame{width:100%;height:calc(100vh - 190px);border:1px solid var(--stroke);border-radius:10px;background:#fff}.viewer-index{min-width:56px;text-align:center}.sidebar-foot{margin-top:4px;border:1px solid #d8dcff;background:linear-gradient(145deg,#f7f8ff,#eef3ff);border-radius:14px;padding:12px;display:grid;gap:10px}.sidebar-foot p{margin:0;color:#3f4694;font-size:13px}.sidebar-foot button{min-height:36px;width:100%;font-size:13px}button:focus-visible,select:focus-visible,input[type=text]:focus-visible,input[type=file]:focus-visible,textarea:focus-visible{outline:3px solid rgba(101,86,255,.25);outline-offset:1px}@media (max-width: 1100px){.app-frame{grid-template-columns:1fr}.sidebar{position:static}.sidebar-foot{display:none}}@media (max-width: 980px){.layout-grid,.page-grid{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,minmax(120px,1fr))}.subject-metrics,.grade-viewer-layout{grid-template-columns:1fr}}@media (max-width: 640px){.app-frame{width:calc(100% - 16px);margin-top:10px}.metrics{grid-template-columns:1fr}.toast{left:12px;right:12px;width:auto;top:12px}.grade-pdf-frame{height:48vh}.copy-preview-large{max-height:48vh}}