:root{--bg: #0b1220;--surface: #121b2e;--surface-2: #1a2540;--border: #26324d;--text: #e6ebf5;--muted: #8b98b5;--primary: #3b82f6;--primary-text: #fff;--ok: #22c55e;--bad: #ef4444;--warn: #f59e0b;--info: #38bdf8;--radius: 10px;color-scheme:dark;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;font-size:15px;line-height:1.5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}h1,h2,h3{margin:0 0 .4em;line-height:1.2}h1{font-size:1.5rem}h2{font-size:1.15rem}h3{font-size:1rem}a{color:var(--info)}code{background:var(--surface-2);padding:2px 6px;border-radius:4px}button,.button{font:inherit;cursor:pointer;border-radius:8px;padding:8px 14px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);text-decoration:none;display:inline-flex;align-items:center;gap:6px;width:fit-content}button:hover,.button:hover{border-color:var(--primary)}button:disabled{opacity:.6;cursor:default}button.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-text)}button.danger{border-color:var(--bad);color:var(--bad)}button.ghost{background:transparent}button.small,.small{font-size:.85rem}button.small{padding:4px 10px}input,textarea,select{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;width:100%}select{width:auto}input:focus,textarea:focus,select:focus{outline:2px solid var(--primary);outline-offset:-1px}.muted{color:var(--muted)}.error{color:var(--bad)}.success{color:var(--ok)}.warning{color:var(--warn);background:color-mix(in srgb,var(--warn) 12%,transparent);padding:10px 14px;border-radius:var(--radius)}.info{background:var(--surface-2);padding:10px 14px;border-radius:var(--radius)}.row{display:flex;align-items:center}.row.between{justify-content:space-between;gap:12px}.row.wrap{flex-wrap:wrap}.gap-s{gap:8px}.stack{display:flex;flex-direction:column;gap:12px}.stack-l{display:flex;flex-direction:column;gap:20px}.stack-xs{display:flex;flex-direction:column;gap:4px}.center-page{min-height:100vh;display:grid;place-items:center;padding:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.card.login{width:min(380px,100%);display:flex;flex-direction:column;gap:12px}.card.empty{text-align:center;padding:48px 18px}.layout{max-width:1280px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:16px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.score{text-align:right;display:flex;flex-direction:column}.score strong{font-size:2rem;line-height:1}.columns{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}.sidebar{position:sticky;top:16px}@media(max-width:900px){.columns{grid-template-columns:1fr}.sidebar{position:static}}.inject.latest{border-color:var(--primary)}.inject.enabled{border-left:4px solid var(--ok)}.narrative{white-space:pre-wrap}.media{max-width:100%;border-radius:8px;margin:8px 0}.exercise-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-top:12px}.exercise{text-align:left;flex-direction:column;align-items:stretch;gap:8px;width:100%;background:var(--surface-2);padding:14px}.exercise.done{opacity:.75}.ex-title{font-size:1rem}.tag{font-size:.75rem;padding:2px 8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);white-space:nowrap}.cat-tecnico{color:#60a5fa;border-color:#60a5fa55}.cat-compliance{color:#c084fc;border-color:#c084fc55}.cat-comunicacion{color:#2dd4bf;border-color:#2dd4bf55}.cat-legal{color:#fbbf24;border-color:#fbbf2455}.cat-negocio{color:#f472b6;border-color:#f472b655}.status-correct,.status-voted{color:var(--ok);border-color:#22c55e55}.status-incorrect{color:var(--bad);border-color:#ef444455}.status-evaluating{color:var(--info);border-color:#38bdf855}.status-review{color:var(--warn);border-color:#f59e0b55}.status-none{color:var(--muted)}.timer{font-variant-numeric:tabular-nums;font-weight:600;padding:2px 8px;border-radius:6px}.timer.ok{color:var(--ok);background:#22c55e1a}.timer.over{color:var(--bad);background:#ef44441a}.timer.idle{color:var(--muted)}.ranking{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.ranking li{display:grid;grid-template-columns:28px 1fr auto;gap:8px;padding:8px 10px;border-radius:8px;background:var(--surface-2)}.ranking li.me{outline:2px solid var(--primary)}.ranking .pos{color:var(--muted);font-weight:600}.ranking .pts{font-weight:700;font-variant-numeric:tabular-nums}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000a;display:grid;place-items:center;padding:16px;z-index:10}.modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;width:min(720px,100%);max-height:calc(100vh - 32px);overflow:auto;display:flex;flex-direction:column;gap:14px}.modal-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.modal-head h2{margin-top:8px}.modal-side{display:flex;align-items:center;gap:10px;flex-shrink:0}.feedback{background:var(--surface-2);border-left:3px solid var(--info);padding:10px 12px;border-radius:6px;margin:0}.file{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:.9rem}.options{display:flex;flex-direction:column;gap:8px}.option{display:flex;gap:10px;align-items:center;padding:12px;border:1px solid var(--border);border-radius:8px;cursor:pointer}.option input{width:auto}.option.selected{border-color:var(--primary);background:#3b82f61a}.bars{display:flex;flex-direction:column;gap:8px;min-width:220px}.bar-label{display:flex;justify-content:space-between;gap:8px;font-size:.9rem}.bar-track{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden}.bar-fill{height:100%;background:var(--primary);transition:width .4s}.bar.mine .bar-label{color:var(--info);font-weight:600}.tabs{display:flex;gap:6px}.tabs button.active{background:var(--primary);border-color:var(--primary)}.badge{background:var(--warn);color:#000;border-radius:999px;padding:0 7px;font-size:.75rem;font-weight:700}.table{width:100%;border-collapse:collapse;margin-top:10px}.table th{text-align:left;font-weight:500;color:var(--muted);font-size:.8rem;padding:6px 8px;border-bottom:1px solid var(--border)}.table td{padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:top}@media(max-width:700px){.table,.table tbody,.table tr,.table td{display:block;width:100%}.table thead{display:none}.table tr{border-bottom:1px solid var(--border);padding:8px 0}.table td{border:0;padding:4px 0}}.submission{display:flex;flex-direction:column;gap:10px}.status-border-review{border-left:4px solid var(--warn)}.status-border-correct,.status-border-voted{border-left:4px solid var(--ok)}.status-border-incorrect{border-left:4px solid var(--bad)}.status-border-evaluating{border-left:4px solid var(--info)}.answer{white-space:pre-wrap;background:var(--bg);padding:10px;border-radius:8px;margin:0;font-family:inherit;max-height:260px;overflow:auto}.points-input{width:130px}.user-chip{display:flex;flex-direction:column;align-items:flex-end;font-weight:600}.user-columns{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.user-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}