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#1b2540);text-decoration:underline}.auth-hidden{display:none!important}.auth-container:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");mix-blend-mode:overlay;opacity:.1;pointer-events:none;z-index:1}.main-layout{display:flex;min-height:100vh;background:var(--ledger-paper)}.sidebar-toggle{display:none;position:fixed;top:12px;left:12px;z-index:200;width:40px;height:40px;border:none;border-radius:var(--radius-md);background:var(--ledger-cover-2);color:#fff;cursor:pointer;align-items:center;justify-content:center;padding:8px;box-shadow:0 2px 8px #00000026}.sidebar-toggle:hover{background:var(--ledger-ink-blue)}.hamburger{display:flex;flex-direction:column;gap:4px;width:20px;height:20px;justify-content:center;align-items:center}.hamburger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:all .3s ease}.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}.sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:98}.sidebar{width:280px;background:linear-gradient(165deg,var(--ledger-cover-1) 0%,var(--ledger-cover-2) 100%);color:var(--ledger-cover-text);display:flex;flex-direction:column;position:fixed;height:100vh;left:0;top:0;z-index:100;box-shadow:4px 0 18px #0000002e}.sidebar:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml;utf8,<svg 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#00000026}.nav-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.nav-icon-img{width:18px;height:18px;object-fit:contain;filter:brightness(.85);transition:filter .15s}.nav-item:hover .nav-icon-img,.nav-item.active .nav-icon-img{filter:brightness(1.1)}.nav-label{flex:1}.nav-badge{flex:0 0 auto;min-width:18px;height:18px;padding:0 5px;display:inline-flex;align-items:center;justify-content:center;border-radius:9999px;background:var(--ledger-gold);color:#2a2416;font-family:var(--font-mono-ledger);font-size:10.5px;font-weight:700;line-height:1}.nav-badge.leaving{animation:nav-badge-leave .5s ease 1s forwards}@keyframes nav-badge-leave{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.82);visibility:hidden}}.sidebar-footer{position:relative;padding:18px 22px 22px;border-top:1px solid var(--ledger-cover-line)}.sidebar-footer .btn-outline{display:block;width:100%;text-align:center;background:transparent;border:1.5px solid 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var(--primary-color)}.section-title{font-family:var(--font-heading);font-size:var(--text-2xl);margin:0;color:var(--text-primary)}.section-actions{display:flex;gap:var(--spacing-3)}@media (max-width: 1200px){.content-container{padding:var(--spacing-6)}.page-header h1{font-size:var(--text-3xl)}}@media (max-width: 1024px){.sidebar{width:240px}.main-content{margin-left:240px}.nav-item{padding:var(--spacing-2) var(--spacing-4);font-size:var(--text-sm)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.content-container{padding:var(--spacing-5)}.sidebar-logo{font-size:var(--text-2xl)}.sidebar-logo-mark{width:30px;height:30px}.sidebar-header{padding:var(--spacing-6) var(--spacing-4)}}@media (max-width: 900px){.sidebar-toggle{display:flex}.sidebar-backdrop{display:block}.sidebar{transform:translate(-100%);transition:transform .3s 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480px){.content-container{padding:var(--spacing-3);padding-top:56px}.content-header{padding:var(--spacing-2) var(--spacing-3);padding-left:52px}.page-header{margin-bottom:var(--spacing-4)}.page-header h1{font-size:var(--text-xl)}}.dashboard-page{padding-bottom:var(--spacing-12)}.stamp-date{flex-shrink:0;font-family:var(--font-mono-ledger);font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--ledger-red);border:2px solid var(--ledger-red);border-radius:4px;padding:8px 10px;text-align:center;line-height:1.5;transform:rotate(-5deg);position:relative;overflow:hidden;background:#a5342a08}.stamp-date:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' 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inset}.stat-value{font-family:var(--font-display-ledger);font-size:40px;font-weight:600;line-height:1;color:var(--ledger-ink);margin-bottom:8px}.stat-value.amber{color:var(--ledger-amber)}.stat-value.red{color:var(--ledger-red)}.stat-value.green{color:var(--ledger-green)}.stat-value.blue{color:var(--ledger-ink-blue)}.stat-delta{font-family:var(--font-mono-ledger);font-size:11px;color:var(--ledger-ink-soft)}.card{background:var(--ledger-card);border:1px solid var(--ledger-line);border-radius:6px}.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;border-bottom:1px solid var(--ledger-line)}.card-title{font-family:var(--font-mono-ledger);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ledger-ink-soft)}.card-link{font-family:var(--font-mono-ledger);font-size:11px;color:var(--ledger-ink-blue);text-decoration:none;font-weight:600}.card-link:hover{text-decoration:underline}.ledger{position:relative;padding-left:40px}.ledger:before{content:"";position:absolute;top:0;bottom:0;left:30px;width:1px;background:#a5342a47}.exam-row{display:flex;align-items:center;gap:14px;padding:13px 18px 13px 0;border-bottom:1px solid var(--ledger-line-soft);text-decoration:none;color:inherit;transition:background .15s ease}.exam-row:last-child{border-bottom:none}.exam-row:hover{background:#2c42700b}.exam-info{flex:1;min-width:0}.exam-name{font-size:14px;font-weight:600;color:var(--ledger-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.exam-meta{font-family:var(--font-mono-ledger);font-size:10.5px;color:var(--ledger-ink-soft)}.stamp{position:relative;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-mono-ledger);font-weight:700;font-size:9.5px;letter-spacing:.09em;text-transform:uppercase;padding:4px 9px;border:2px solid currentColor;border-radius:3px;white-space:nowrap;flex-shrink:0;overflow:hidden}.stamp:after{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");mix-blend-mode:multiply;opacity:.4;pointer-events:none}.note-card{position:relative}.note-card:before,.note-card:after{content:"";position:absolute;top:-6px;width:9px;height:9px;border-radius:50%;background:#b7b2a4;box-shadow:inset 0 1px 1px #00000040,0 1px #ffffff4d}.note-card:before{left:22px}.note-card:after{right:22px}.empty-state-ledger{padding:34px 18px;text-align:center;color:var(--ledger-ink-soft);font-size:13px}@media (max-width: 1024px){.content-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px 12px}.stat-value{font-size:32px}}@media (max-width: 480px){.stats-grid{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion: reduce){.stat-card,.exam-row{transition:none!important}}.dashboard-page a:focus-visible,.dashboard-page .btn:focus-visible{outline:2px solid var(--ledger-ink-blue);outline-offset:2px}.upgrade-cta{margin-left:auto;display:inline-flex;flex-direction:column;align-items:flex-end;gap:2px;padding:8px 14px;border:1px solid var(--ledger-rule, #d8d2c4);border-radius:4px;background:var(--ledger-paper, #fffdf8);text-decoration:none;line-height:1.2;transition:border-color .15s ease,transform .15s ease}.upgrade-cta:hover{border-color:var(--ledger-ink-blue, #1f3a5f);transform:translateY(-1px)}.upgrade-cta-label{font-size:.6875rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ledger-ink-faint, #8a8377)}.upgrade-cta-action{font-size:.8125rem;font-weight:600;color:var(--ledger-ink-blue, #1f3a5f)}@media (max-width: 640px){.upgrade-cta{margin-left:0;align-items:flex-start}}.invite-card{margin:0 0 32px;padding:20px 24px;border:1px solid var(--ledger-line, #d8dbe2);border-left:4px solid var(--accent-amber, #c98a1b);border-radius:12px;background:var(--surface, #fff)}.invite-card-row{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start;justify-content:space-between}.invite-card-text{flex:1 1 420px;min-width:0}.invite-card-text p{margin:6px 0 0;font-size:.9rem;line-height:1.55;color:var(--ink-soft, #55606f)}.invite-card-expiry{font-size:.8rem}.invite-card-actions{display:flex;gap:10px;flex-shrink:0}.invite-card-note{margin:14px 0 0;font-size:.9rem;color:var(--ledger-green, #1d6b34)}.invite-card-error{margin:14px 0 0;font-size:.9rem;color:var(--ledger-red, #8a2020)}.exams-page{max-width:var(--content-max-width, 1200px);margin:0 auto}.page-header h1{font-family:var(--font-display-ledger);font-size:var(--text-2xl);font-weight:600;color:var(--ledger-ink-blue);margin:0 0 2px}.page-subtitle{font-size:13px;color:var(--ledger-ink-soft);margin:0;font-family:var(--font-body)}.folder-tabs{display:flex;gap:6px;position:relative;z-index:2;padding-left:6px}.folder-tab{font-family:var(--font-mono-ledger);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:11px 22px 13px;border:1px solid var(--ledger-line);border-bottom:none;border-radius:8px 8px 0 0;background:var(--ledger-kraft);color:#3a2e17;cursor:pointer;position:relative;top:3px;opacity:.82;transition:opacity .15s ease,top .15s ease,background .15s ease}.folder-tab:hover{opacity:.95}.folder-tab.active{background:var(--ledger-card);color:var(--ledger-ink);top:0;opacity:1;box-shadow:0 -3px 8px 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currentColor}.exam-filter-clear:hover{color:var(--ledger-ink)}.crop-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;background:#18140e8c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.crop-dialog{display:flex;flex-direction:column;width:min(880px,100%);max-height:min(90vh,820px);background:var(--ledger-paper, #faf7f0);border:1px solid var(--ledger-line, #d9d2c2);border-radius:8px;box-shadow:0 24px 60px #00000047;overflow:hidden}.crop-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--ledger-line, #d9d2c2)}.crop-head h3{margin:0;font-size:1rem}.crop-sub{margin:4px 0 0;font-size:.78rem;opacity:.7;word-break:break-all}.crop-close{border:none;background:none;font-size:1.4rem;line-height:1;cursor:pointer;padding:0 4px;color:inherit;opacity:.7}.crop-close:hover{opacity:1}.crop-stage{position:relative;flex:1 1 auto;min-height:320px;background:#1b1b1b}.crop-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 16px;border-top:1px solid var(--ledger-line, #d9d2c2)}.crop-aspects{display:flex;gap:6px;flex-wrap:wrap}.crop-aspect{padding:5px 10px;font-size:.78rem;border:1px solid var(--ledger-line, #d9d2c2);border-radius:4px;background:transparent;color:inherit;cursor:pointer}.crop-aspect.is-active{border-color:var(--ledger-ink, #2a2620);background:var(--ledger-ink, #2a2620);color:#fff}.crop-zoom{display:flex;align-items:center;gap:8px;font-size:.78rem;min-width:200px}.crop-zoom input[type=range]{flex:1}.crop-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-top:1px solid var(--ledger-line, #d9d2c2);background:#00000008}.crop-actions-right{display:flex;gap:8px}@media (max-width: 560px){.crop-stage{min-height:240px}.crop-actions{flex-direction:column-reverse;align-items:stretch}.crop-actions-right{justify-content:flex-end}}.qws{display:flex;flex-direction:column;gap:12px;margin-top:8px}.qws-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-bottom:10px;border-bottom:1px solid var(--ledger-line)}.qws-filters{display:flex;align-items:center;gap:6px;flex-wrap:wrap;min-width:0}.qws-filter{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--ledger-line);border-radius:999px;background:var(--ledger-card-lift);color:var(--ledger-ink-soft);font-size:11.5px;font-weight:600;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.qws-filter:hover{border-color:var(--ledger-ink-soft);color:var(--ledger-ink)}.qws-filter.is-active{background:var(--ledger-green);border-color:var(--ledger-green);color:#fff}.qws-filter:focus-visible{outline:2px solid var(--ledger-ink-blue);outline-offset:1px}.qws-count{font-family:var(--font-mono-ledger);font-size:10.5px;padding:1px 6px;border-radius:999px;background:var(--ledger-kraft-tint);color:var(--ledger-ink)}.qws-filter.is-active .qws-count{background:#ffffff38;color:#fff}.qws-total{display:flex;align-items:baseline;gap:8px;padding:6px 12px;border:1px solid var(--ledger-line);border-radius:8px;background:var(--ledger-kraft-tint);white-space:nowrap}.qws-total-label{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ledger-ink-soft)}.qws-total-value{font-family:var(--font-mono-ledger);font-size:17px;font-weight:700;color:var(--ledger-ink-blue)}.qws-add{display:flex;align-items:center;gap:8px}.qws-type-picker{display:flex;flex-wrap:wrap;gap:6px}.qws-type-chip{padding:7px 11px;border:1px dashed 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960px){.cr-layout{grid-template-columns:minmax(0,1fr)}}.cr-panel-title{font-family:var(--font-mono-ledger);font-size:10px;font-weight:700;color:var(--ledger-kraft-dark);text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px}.cr-class-list{display:flex;flex-direction:column;gap:4px;max-height:440px;overflow-y:auto;margin:0 -6px;padding:0 6px}.cr-class-item{display:flex;flex-direction:column;gap:3px;width:100%;text-align:left;padding:9px 11px;border:1px solid transparent;border-left:3px solid transparent;border-radius:4px;background:transparent;font:inherit;color:inherit;cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.cr-class-item:hover{background:var(--ledger-kraft-tint)}.cr-class-item.active{background:var(--ledger-kraft-tint);border-color:var(--ledger-line);border-left-color:var(--ledger-ink-blue)}.cr-class-item:focus-visible{outline:2px solid var(--ledger-kraft-dark);outline-offset:1px}.cr-class-name{font-size:13.5px;font-weight:600;color:var(--ledger-ink)}.cr-class-meta{font-size:11.5px;color:var(--ledger-ink-soft)}.cr-class-meta:last-child{font-family:var(--font-mono-ledger);font-size:10.5px}.cr-toolbar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;padding:14px 16px;margin-bottom:14px;background:var(--ledger-kraft-tint);border:1.5px dashed var(--ledger-kraft-dark);border-radius:6px}.cr-toolbar-field{display:flex;flex-direction:column;gap:4px}.cr-toolbar-field label,.cr-field label{font-family:var(--font-mono-ledger);font-size:9.5px;font-weight:700;color:var(--ledger-kraft-dark);text-transform:uppercase;letter-spacing:.06em}.cr-toolbar-note{flex-basis:100%;font-size:11.5px;font-style:italic;color:var(--ledger-ink-soft)}.cr-config-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;margin-bottom:14px;background:var(--ledger-kraft-tint);border:1.5px dashed 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var(--ledger-kraft-dark)}.cr-table th{padding:10px 12px;text-align:left;font-family:var(--font-mono-ledger);font-size:10px;font-weight:700;color:var(--ledger-kraft-dark);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.cr-table tbody tr{border-bottom:1px solid var(--ledger-line-soft);transition:background var(--transition-fast)}.cr-table tbody tr:nth-child(2n){background:#1e2a3a04}.cr-table tbody tr:hover{background:#2c42700a}.cr-table td{padding:10px 12px;font-size:var(--text-sm);color:var(--ledger-ink);vertical-align:middle}.cr-table code,.cr-slip{font-family:var(--font-mono-ledger)}.cr-id-chip{font-family:var(--font-mono-ledger);font-size:var(--text-sm);color:var(--ledger-ink);background:var(--ledger-card-lift);border:1px solid var(--ledger-line-soft);padding:2px 7px;border-radius:3px}.cr-override{font-weight:600;color:var(--ledger-ink)}.cr-inherited,.cr-muted{color:var(--ledger-ink-soft)}.cr-muted{font-style:italic}.cr-preview-table 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var(--spacing-3);font-size:var(--text-sm);color:var(--ledger-ink-soft)}.ranking-table-wrap{overflow-x:auto}.ranking-table{width:100%;border-collapse:collapse;font-size:var(--text-sm)}.ranking-table th{text-align:left;padding:8px 10px;font-size:var(--text-xs, 11px);text-transform:uppercase;letter-spacing:.06em;color:var(--ledger-ink-soft);border-bottom:2px solid var(--ledger-line);white-space:nowrap}.ranking-table td{padding:8px 10px;border-bottom:1px solid var(--ledger-line-soft);color:var(--ledger-ink)}.ranking-table tbody tr:hover{background:var(--ledger-card-lift)}.rank-cell{font-weight:700;color:var(--ledger-ink-blue)}.rank-name{font-weight:600}.rank-score{font-family:var(--font-mono-ledger)}.ranking-id{font-family:var(--font-mono-ledger);font-size:var(--text-sm);color:var(--ledger-ink);background:var(--ledger-card-lift);border:1px solid var(--ledger-line-soft);padding:2px 7px;border-radius:3px}.ranking-muted{color:var(--ledger-ink-soft)}.pending-row td{background:color-mix(in 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var(--ledger-green)}.incidents-table td{padding:var(--spacing-4);font-size:var(--text-sm)}.incidents-table input[type=checkbox]{accent-color:var(--ledger-ink-blue)}.student-name{font-weight:600;color:var(--ledger-ink)}.student-id{font-family:var(--font-mono-ledger);color:var(--ledger-ink-soft)}.exam-title{color:var(--ledger-ink)}.event-type{text-transform:capitalize;color:var(--ledger-ink-soft)}.event-detail{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ledger-ink-soft)}.severity-badge{display:inline-block;padding:var(--spacing-1) var(--spacing-3);border-radius:var(--border-radius-full);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;color:#fff;letter-spacing:.05em}.status-badge{display:inline-block;padding:var(--spacing-1) 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var(--ledger-line);border-radius:8px}.empty-stamp{display:inline-block;font-family:var(--font-mono-ledger);font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 14px;border:1.5px solid var(--ledger-ink-soft);border-radius:2px;color:var(--ledger-ink-soft);transform:rotate(-3deg);margin-bottom:16px}.empty-state h3{font-family:var(--font-display-ledger);font-size:var(--text-2xl);color:var(--ledger-ink);margin:0 0 var(--spacing-2)}.empty-state p{color:var(--ledger-ink-soft);margin:0}.incidents-summary{margin-top:18px;padding-top:14px;text-align:center;border-top:3px double var(--ledger-line);font-family:var(--font-mono-ledger);font-size:11px;color:var(--ledger-ink-soft);letter-spacing:.03em}.error-banner{background:#a5342a12;border:1px solid var(--ledger-red);color:var(--ledger-red);padding:var(--spacing-4);border-radius:var(--radius-md);margin-bottom:var(--spacing-6)}@media (max-width: 1200px){.incidents-table-container{overflow-x:auto}.incidents-table{min-width:1000px}}@media (max-width: 768px){.filters{grid-template-columns:1fr}.search-group{grid-column:span 1}.bulk-actions{flex-wrap:wrap}.selection-count{flex-basis:100%;margin-bottom:var(--spacing-2)}}.recycle-bin-page .page-subtitle{max-width:74ch}.recycle-table td{vertical-align:top}.recycle-title{font-weight:500;font-size:var(--text-sm);color:var(--ledger-ink)}.recycle-empty{padding:var(--spacing-6);text-align:center;color:var(--ledger-ink-soft);font-size:var(--text-sm)}.ai-generator-page{max-width:900px;margin:0 auto;padding:var(--spacing-8)}.page-header{text-align:center;margin-bottom:var(--spacing-8)}.page-header h1{font-family:var(--font-display-ledger);font-size:2.5rem;margin-bottom:var(--spacing-2);color:var(--ledger-ink-blue)}.ai-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:2px solid 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#2c427059}.step-label{font-family:var(--font-mono-ledger);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ledger-ink-soft);font-weight:700}.step.active .step-label{color:var(--ledger-ink-blue)}.step-line{width:70px;height:0;border-top:2px dashed var(--ledger-line);margin:0 14px 26px;transition:border-color .25s ease,border-style .25s ease}.step-line.active{border-top:2px solid var(--ledger-ink-blue)}.form-card{background:var(--ledger-card);border:1px solid var(--ledger-line);border-radius:2px 10px 10px;padding:var(--spacing-8)}.form-card h2{font-family:var(--font-mono-ledger);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ledger-ink);margin-bottom:var(--spacing-2)}.step-description{color:var(--ledger-ink-soft);margin-bottom:var(--spacing-6)}.form-group{margin-bottom:var(--spacing-6)}.form-group label{display:block;font-weight:500;margin-bottom:var(--spacing-2);color:var(--color-text)}.form-group input,.form-group 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