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2px;width:100%;max-width:46px;min-height:2px}.bars .bar small{color:var(--muted);font-size:.72rem}.bars .bar em{color:var(--text-2);white-space:nowrap;font-size:.7rem;font-style:normal}.hbar{grid-template-columns:140px 1fr 70px 40px;align-items:center;gap:10px;font-size:.85rem;display:grid}.public-header{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;align-items:center;gap:28px;padding:16px 40px;display:flex;position:sticky;top:0}.public-header .brand{color:var(--text);padding:0}.public-header nav{gap:22px;display:flex}.public-header nav a{color:var(--text-2);font-size:.92rem;font-weight:500}.public-main{max-width:1180px;margin:0 auto;padding:48px 24px}.hero{grid-template-columns:1fr 1.15fr;align-items:center;gap:48px;display:grid}.hero h1{letter-spacing:-.035em;font-size:clamp(2.4rem,5vw,3.6rem);line-height:1.05}.hero h1 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var(--border);cursor:pointer;background:var(--surface);text-align:left;border-radius:12px;flex-direction:column;gap:6px;padding:14px;display:flex}.choice-card.selected{border-color:var(--primary);background:var(--brand-50)}.option-row{border:1.5px solid var(--border);cursor:pointer;background:var(--surface);text-align:left;border-radius:10px;align-items:center;gap:12px;width:100%;padding:12px 14px;display:flex}.option-row.selected{border-color:var(--primary);background:var(--brand-50)}.option-row.correct{border-color:var(--brand-500);background:var(--brand-100)}.option-row.wrong{border-color:var(--red-fg);background:var(--red-bg)}.option-row .key{width:22px;color:var(--muted);font-weight:700}.qnav{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.qnav button{aspect-ratio:1;border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:8px;font-size:.85rem;font-weight:600}.qnav button.answered{background:var(--brand-100);border-color:var(--brand-300)}.qnav button.wrong{background:var(--red-bg);border-color:#0000}.qnav button.current{outline:2px solid var(--primary)}.qnav button.marked{border-style:dashed;border-color:var(--amber-fg)}.qr{background:#fff;border-radius:10px;width:180px;height:180px;padding:8px}.code-box{word-break:break-all;background:var(--gray-bg);border-radius:8px;padding:10px;font-family:ui-monospace,Menlo,monospace;font-size:.75rem}.kbd{border:1px solid var(--border);color:var(--muted);border-radius:5px;padding:0 5px;font-family:ui-monospace,monospace;font-size:.72rem}@media (width<=1100px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split-wide{grid-template-columns:minmax(0,1fr)!important}.hero{grid-template-columns:1fr}}@media (width<=860px){.app-shell{grid-template-columns:1fr}.sidebar{z-index:90;width:260px;transition:transform .2s;position:fixed;inset:0 auto 0 0;transform:translate(-100%)}.sidebar.open{box-shadow:var(--shadow-lg);transform:none}.sidebar-backdrop{z-index:80;background:#0006;position:fixed;inset:0}.menu-btn{display:inline-grid}.topbar{padding:10px 16px}.search{flex:1;width:auto}.crumbs{display:none}.content{padding:18px 16px}.grid-2,.grid-3,.form-grid,.choice-cards{grid-template-columns:minmax(0,1fr)}.timer-float{left:16px}.public-header{gap:12px;padding:12px 16px}.public-header nav{display:none}.auth-split{grid-template-columns:1fr}.auth-art{display:none}.hbar{grid-template-columns:100px 1fr 60px}.hbar .pct{display:none}h1{font-size:1.45rem}.table.responsive thead{display:none}.table.responsive tr{border-bottom:1px solid var(--border);padding:8px 0;display:block}.table.responsive td{border:0;justify-content:space-between;gap:12px;padding:5px 12px;display:flex}.table.responsive td:before{content:attr(data-label);color:var(--muted);font-size:.78rem;font-weight:600}.table.responsive td.primary-cell{display:block}.table.responsive td.primary-cell:before{display:none}}@media (width<=520px){.grid-4{grid-template-columns:1fr}.page-head .actions{width:100%}.page-head .actions .btn{flex:1}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.pdf-scroll{max-height:calc(100vh - 170px);overflow:auto}.pdf-page{box-shadow:var(--shadow);--user-unit:1;--scale-round-x:1px;--scale-round-y:1px;background:#fff;margin:0 auto 22px;position:relative}.pdf-page canvas{display:block}.pdf-hl-layer{pointer-events:none;z-index:1;position:absolute;inset:0}.pdf-hl-layer span{mix-blend-mode:multiply;border-radius:2px;position:absolute}.pdf-hl-layer span.focus{outline:2px solid var(--primary)}.pdf-page .textLayer{z-index:2}.pdf-page-num{color:var(--muted);font-size:11px;position:absolute;bottom:-18px;right:0}.pdf-selection-pop{z-index:60;width:280px;box-shadow:var(--shadow-lg);padding:10px;position:fixed}.card.flat.selected{outline:2px solid var(--primary)}.rich.compact{min-height:140px}.rich blockquote[data-pdf-id]{border-left-color:var(--amber-fg);background:var(--amber-bg);border-radius:0 8px 8px 0;padding:8px 12px}.notif-panel{width:360px;max-width:calc(100vw - 24px);max-height:70vh;padding:0;overflow:auto}.notif-item{border-bottom:1px solid var(--border);color:var(--text);gap:10px;padding:10px 12px;text-decoration:none;display:flex}.notif-item.unread{background:var(--brand-50)}.notif-item:hover{background:var(--surface-2)}.icon-btn .count-dot{background:var(--red-fg);color:#fff;border-radius:8px;place-items:center;min-width:16px;height:16px;padding:0 4px;font-size:10px;display:grid;position:absolute;top:2px;right:2px}.sync-row{border-bottom:1px solid var(--border);grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:10px;padding:8px 0;display:grid}@media print{.sidebar,.topbar,.no-print,.timer-float{display:none!important}.main,.content{margin:0!important;padding:0!important}.receipt{box-shadow:none!important;border:0!important}}