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var(--line);border-radius:var(--radius-md);background:var(--surface-soft);gap:18px;margin-top:20px;padding:18px;display:grid}.config-row{gap:10px;display:grid}.config-label{color:var(--muted);justify-content:space-between;align-items:baseline;font-size:.8rem;font-weight:700;display:flex}.config-label strong{color:var(--accent-dark);font-size:1.1rem}.config-row input[type=range]{accent-color:var(--accent);padding:0}.type-options{flex-wrap:wrap;gap:10px;display:flex}.type-chip{border:1.5px solid var(--line);background:var(--surface);text-align:left;border-radius:12px;align-items:center;gap:10px;padding:10px 14px;display:inline-flex}.type-chip:hover{border-color:var(--accent)}.type-chip.is-active{border-color:var(--accent);background:var(--accent-soft)}.type-chip-box{border:2px solid var(--line);width:18px;height:18px;transition:background .16s var(--ease), border-color .16s var(--ease);border-radius:6px;flex-shrink:0}.type-chip.is-active .type-chip-box{background:var(--accent);border-color:var(--accent);box-shadow:inset 0 0 0 3px var(--accent-soft)}.type-chip-text{color:var(--ink);font-size:.88rem;font-weight:700;display:grid}.type-chip.is-active .type-chip-text{color:var(--accent-dark)}.type-chip-text small{color:var(--muted);font-size:.72rem;font-weight:600}.menu-root{display:inline-flex;position:relative}.menu-trigger{border-radius:10px;width:36px;height:36px}.menu-panel{z-index:40;border:1px solid var(--line);background:var(--surface);min-width:200px;max-height:60vh;box-shadow:var(--shadow-lg);animation:popIn .14s var(--ease) both;border-radius:14px;padding:6px;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto}.menu-group{display:block}.menu-item-btn{width:100%;color:var(--ink);text-align:left;background:0 0;border:none;border-radius:9px;align-items:center;gap:10px;padding:9px 10px;font-size:.88rem;font-weight:650;display:flex}.menu-item-btn:hover:not(:disabled),.menu-group.is-open>.menu-item-btn{background:var(--accent-soft);color:var(--accent-dark)}.menu-item-btn:disabled{opacity:.5;cursor:not-allowed}.menu-item-btn.is-danger{color:var(--wrong)}.menu-item-btn.is-danger:hover{background:var(--wrong-soft);color:var(--wrong)}.menu-item-icon{color:var(--muted);flex-shrink:0;display:inline-flex}.menu-item-btn:hover .menu-item-icon,.menu-item-btn.is-danger .menu-item-icon{color:currentColor}.menu-item-label{flex:1}.menu-caret{color:var(--muted);transition:transform .16s var(--ease);display:inline-flex}.menu-caret.is-open{transform:rotate(90deg)}.menu-sep{background:var(--line);height:1px;margin:6px 4px}.menu-submenu{border-left:2px solid var(--line);margin:2px 4px 4px 26px;padding-left:8px;display:grid}.menu-submenu .menu-item-btn{padding:7px 8px;font-size:.84rem}.menu-check{width:14px;color:var(--accent);justify-content:center;font-weight:800;display:inline-flex}.menu-item-btn.is-checked{color:var(--accent-dark)}.share-bar{border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--accent-soft);align-items:center;gap:10px;margin:18px 0 4px;padding:9px 12px;display:flex}.share-bar-label{letter-spacing:.06em;text-transform:uppercase;color:var(--accent-dark);flex-shrink:0;font-size:.7rem;font-weight:800}.share-bar code{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--accent-dark);flex:1;font-size:.82rem;overflow:hidden}.taken-badge{background:var(--accent-soft);color:var(--accent-dark);letter-spacing:.02em;text-transform:none;border-radius:999px;margin-left:10px;padding:2px 9px;font-size:.68rem;font-weight:800}.attempt-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.attempt-row{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);grid-template-columns:auto 1fr auto auto;align-items:center;gap:14px;padding:11px 14px;font-size:.86rem;display:grid}.attempt-no{font-weight:800}.attempt-score{color:var(--accent-dark);font-weight:800}.attempt-who{color:var(--muted);text-transform:capitalize}.attempt-time{color:var(--muted);font-size:.78rem}.question-type-badge{background:var(--surface-soft);border:1px solid var(--line);color:var(--muted);vertical-align:middle;white-space:nowrap;border-radius:999px;margin-left:10px;padding:1px 8px;font-size:.66rem;font-weight:700;display:inline-block}.options.options-two{grid-template-columns:1fr 1fr;max-width:420px}.brand-link{color:inherit;text-decoration:none}.brand-link:hover .logo-mark{transform:translateY(-1px)}.shared-page{width:min(760px,100% - 48px);margin:0 auto;padding:32px 0 80px}.shared-gate{gap:12px;max-width:460px;margin-top:8px;display:grid}.shared-gate .primary{justify-self:start;margin-top:4px}.landing{width:min(1080px,100% - 48px);margin:0 auto;padding:28px 0 60px}.landing-nav{justify-content:space-between;align-items:center;gap:20px;padding-bottom:20px;display:flex}.landing-nav .brand h1{letter-spacing:-.03em;margin:0;font-size:1.15rem}.landing-nav-actions{align-items:center;gap:16px;display:flex}.hero{text-align:center;max-width:760px;animation:fadeSlideUp .5s var(--ease) both;margin:0 auto;padding:72px 0 60px}.hero h2{letter-spacing:-.045em;background:linear-gradient(135deg, var(--ink), var(--accent-dark));color:#0000;-webkit-background-clip:text;background-clip:text;margin:12px 0 0;font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.08}.hero-sub{max-width:560px;color:var(--muted);margin:20px auto 0;font-size:1.05rem}.hero-cta{flex-direction:column;align-items:center;gap:10px;margin-top:30px;display:flex}.hero-note{color:var(--muted);font-size:.82rem}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:20px;display:grid}.feature-card{background:var(--surface-glass);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);animation:fadeSlideUp .46s var(--ease) both;padding:24px}.feature-icon{background:var(--accent-soft);width:46px;height:46px;color:var(--accent);border-radius:13px;justify-content:center;align-items:center;margin-bottom:14px;display:inline-flex}.feature-card h3{letter-spacing:-.02em;margin:0 0 6px;font-size:1.05rem;font-weight:800}.feature-card p{color:var(--muted);margin:0;font-size:.92rem}.how{margin-top:64px}.how-steps{gap:14px;margin:18px 0 0;padding:0;list-style:none;display:grid}.how-steps li{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface-glass);align-items:flex-start;gap:16px;padding:20px;display:flex}.how-num{background:var(--accent-grad);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-weight:800;display:inline-flex}.how-steps h4{margin:2px 0 4px;font-size:1rem;font-weight:800}.how-steps p{color:var(--muted);margin:0;font-size:.92rem}.landing-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:16px;margin-top:72px;padding-top:24px;display:flex}.landing-footer .brand{align-items:center;gap:12px;font-weight:750;display:flex}@media (width<=860px){.studio-layout{grid-template-columns:1fr}.folder-rail{position:static}.folder-row-delete{opacity:1}}@media (width<=560px){.attempt-row{grid-template-columns:auto 1fr;row-gap:4px}.landing-nav{flex-wrap:wrap}.hero{padding:48px 0 40px}}