:root{--bg: #070a12;--panel: #0f1522;--panel2: #151d2e;--line: #24304a;--text: #d8e1f0;--dim: #8090a8;--accent: #60e0ff;--ok: #5ad17a;--bad: #ff5a64;--warn: #ffc04d;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-size:14px}button,input,select{font:inherit;color:inherit}button{background:var(--panel2);border:1px solid var(--line);border-radius:4px;padding:4px 10px;cursor:pointer}button:hover{border-color:var(--accent)}button.active{background:#1c3a52;border-color:var(--accent);color:#fff}button.primary{background:#1a5d7a;border-color:var(--accent)}button.danger{border-color:#7a2a33}input,select{background:#0a0f1a;border:1px solid var(--line);border-radius:4px;padding:5px 8px}input[type=range]{padding:0}a{color:var(--accent)}.err{color:var(--bad);min-height:1.2em}.dim{color:var(--dim)}.ok{color:var(--ok)}.bad{color:var(--bad)}.intro{min-height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 30% 20%,#142040 0%,transparent 60%),radial-gradient(ellipse at 80% 80%,#301030 0%,transparent 50%),var(--bg)}.intro .card{max-width:460px;width:100%;background:#0f1522e6;border:1px solid var(--line);border-radius:10px;padding:28px}.intro h1{margin:0 0 4px;font-size:34px;letter-spacing:2px;color:var(--accent)}.intro form{display:flex;gap:8px;margin-top:16px}.intro form input{flex:1}.list{max-width:720px;margin:40px auto;padding:0 16px}.list header{display:flex;justify-content:space-between;align-items:center}.list .ships{display:grid;gap:8px;margin:16px 0}.list .ship{display:flex;justify-content:space-between;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:10px 14px}.list .create{display:flex;flex-wrap:wrap;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:12px}.game{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;grid-template-rows:auto 1fr auto;grid-template-columns:210px 1fr 340px}.topbar{grid-column:1 / 4;display:flex;gap:6px;align-items:center;padding:6px 8px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}.topbar .sep{width:1px;height:22px;background:var(--line);margin:0 4px}.topbar .title{font-weight:600;margin-right:8px}.palette{background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:8px}.palette h4{margin:10px 0 4px;color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:1px}.palette button{display:flex;width:100%;text-align:left;margin-bottom:3px;align-items:center;gap:6px}.palette .sw{width:12px;height:12px;border-radius:2px;flex:none}.palette .hint{font-size:12px;color:var(--dim);margin-top:10px;line-height:1.5}.stage{position:relative;overflow:hidden;background:#04060b}.stage canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;cursor:crosshair}.side{background:var(--panel);border-left:1px solid var(--line);overflow-y:auto}.tabs{display:flex;flex-wrap:wrap;gap:3px;padding:6px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel);z-index:1}.tabs button{padding:3px 7px;font-size:12px}.pane{padding:8px 10px}.pane h3{margin:6px 0;font-size:13px;color:var(--accent)}.check{display:flex;gap:6px;padding:3px 0}.check .detail{color:var(--dim);font-size:12px}.statusbar{grid-column:1 / 4;padding:3px 8px;background:var(--panel);border-top:1px solid var(--line);font-size:12px;color:var(--dim);display:flex;gap:16px}.dev{border:1px solid var(--line);border-radius:5px;padding:6px;margin-bottom:6px;background:var(--panel2)}.dev .row{display:flex;justify-content:space-between;align-items:center;gap:6px}.dev.sel{border-color:var(--accent)}.slider{position:relative;margin:4px 0 2px}.slider input{width:100%}.slider .mk{position:absolute;top:-3px;width:2px;height:8px;pointer-events:none}.bar{height:6px;background:#0a0f1a;border-radius:3px;overflow:hidden;margin:3px 0}.bar>div{height:100%}.kv{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;font-size:12px}.kv>:nth-child(odd){color:var(--dim)}.small{font-size:12px}.q{font-size:11px;padding:0 4px;border-radius:3px;border:1px solid currentColor}.toast{position:fixed;bottom:34px;left:50%;transform:translate(-50%);background:#3a1820;border:1px solid var(--bad);padding:6px 14px;border-radius:6px;pointer-events:none;transition:opacity .3s}.toast.info{background:#12303a;border-color:var(--accent)}table.inv{width:100%;border-collapse:collapse;font-size:12px}table.inv td{padding:2px 4px;border-bottom:1px solid var(--line)}.up{color:var(--ok)}.down{color:var(--bad)}@media (max-width: 900px){.game{grid-template-columns:1fr;grid-template-rows:auto 120px 1fr 260px auto}.topbar,.statusbar{grid-column:1}.palette{border-right:0;border-bottom:1px solid var(--line)}}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:grid;place-items:center;z-index:50}.modal{background:var(--panel);border:1px solid var(--accent);border-radius:8px;padding:16px 18px;max-width:420px;box-shadow:0 10px 40px #0009}.modal p{margin:0 0 14px;line-height:1.45}.warnc{color:var(--warn)}button:disabled{opacity:.45;cursor:not-allowed}