:root{--primary:#0f6e6e;--primary-dark:#0a4f4f;--primary-soft:#e6f4f3;--accent:#c81d5e;--accent-soft:#fbe8ef;--success:#1f7a3d;--success-soft:#e6f5ea;--danger:#b3261e;--danger-soft:#fbe9e8;--warning:#8a5b00;--warning-soft:#fff4de;--ink:#1f2a2e;--muted:#5a6b6e;--line:#d8e2e1;--surface:#fff;--bg:#f4f8f7;--shadow:0 8px 28px rgba(15,110,110,.12);--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 "Segoe UI",Arial,sans-serif}.loading{min-height:100vh;display:grid;place-content:center;text-align:center}.spinner{width:42px;height:42px;border:4px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:auto}@keyframes spin{to{transform:rotate(360deg)}}button,input,textarea,select{font:inherit}.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px #0f6e6e12}.topin{max-width:1180px;margin:auto;padding:10px 16px;display:flex;align-items:center;gap:14px;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;font-weight:800;color:var(--primary-dark)}.logo{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#19a6a0);display:grid;place-items:center;color:#fff}.userbox{display:flex;align-items:center;gap:10px}.avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;background:var(--primary-soft)}.wrap{max-width:1180px;margin:auto;padding:22px 16px 60px}.hero{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:250px;height:250px;border-radius:50%;background:#ffffff10;right:-70px;top:-90px}.hero h1{font-size:clamp(1.7rem,4vw,2.55rem);margin:.25em 0}.eyebrow,.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 11px;font-size:.78rem;font-weight:800}.eyebrow{background:#ffffff20}.badge{background:var(--primary-soft);color:var(--primary-dark)}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:16px}.span8{grid-column:span 8}.span4{grid-column:span 4}.span6{grid-column:span 6}.span12{grid-column:span 12}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 3px 14px #0f6e6e0b}.card h2,.card h3{margin-top:0}.routine{border-left:6px solid var(--accent)}.btn{border:0;border-radius:999px;padding:11px 18px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.primary{background:var(--primary);color:#fff}.btn.accent{background:var(--accent);color:#fff}.btn.secondary{background:#fff;color:var(--primary-dark);border:1.5px solid var(--primary)}.btn.ghost{background:#edf3f2;color:var(--ink)}.btn:disabled{opacity:.45;cursor:not-allowed}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.progress{height:10px;background:var(--line);border-radius:999px;overflow:hidden}.progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .3s}.muted{color:var(--muted)}.notice{padding:13px 15px;border-radius:12px;background:var(--warning-soft);color:#604200}.success{background:var(--success-soft);color:var(--success)}.danger{background:var(--danger-soft);color:var(--danger)}.loginpage{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr}.loginhero{padding:clamp(30px,7vw,80px);background:linear-gradient(145deg,var(--primary-dark),var(--primary));color:#fff;display:flex;flex-direction:column;justify-content:center}.loginhero h1{font-size:clamp(2.2rem,6vw,4.3rem);line-height:1.05;margin:.3em 0}.loginpanel{display:grid;place-content:center;padding:28px}.loginbox{max-width:430px}.google{width:100%;background:#fff;border:1px solid #ccd6d5;border-radius:12px;padding:13px;font-weight:800;cursor:pointer}.google b{color:#4285f4}.feature{display:flex;gap:12px;margin:14px 0}.feature i{font-style:normal;width:34px;height:34px;border-radius:10px;background:#ffffff19;display:grid;place-items:center}.question-layout{display:grid;grid-template-columns:220px 1fr;gap:18px}.side{position:sticky;top:78px;align-self:start}.qgrid{display:flex;flex-wrap:wrap;gap:7px}.qnum{width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:#fff;font-weight:800}.qnum.done{background:var(--primary-soft);border-color:var(--primary)}.qnum.current{outline:3px solid var(--accent-soft);border-color:var(--accent)}.option{display:flex;gap:10px;width:100%;text-align:left;margin:10px 0;padding:13px;border:1.5px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}.option.selected{background:var(--primary-soft);border-color:var(--primary)}.letter{font-weight:900;color:var(--primary-dark)}.timer{font-weight:900;font-variant-numeric:tabular-nums;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);padding:7px 12px}.metric{font-size:2rem;font-weight:900;color:var(--primary-dark)}.checkrow{display:flex;gap:10px;margin:10px 0}.checkrow input{width:20px;height:20px;accent-color:var(--primary)}textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:650px}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left}th{background:var(--primary-soft);color:var(--primary-dark)}.setup{max-width:760px;margin:50px auto;background:#fff;border:2px solid var(--warning);padding:24px;border-radius:18px}code{background:#edf3f2;padding:2px 5px;border-radius:5px}.sr{position:absolute;left:-10000px}@media(max-width:850px){.loginpage{grid-template-columns:1fr}.loginhero{min-height:42vh}.span8,.span4,.span6{grid-column:span 12}.question-layout{grid-template-columns:1fr}.side{position:static;order:2}}@media(max-width:520px){.wrap{padding:12px}.card,.hero{padding:16px}.actions .btn{flex:1}.userbox .name{display:none}.question-layout{gap:10px}}