:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f4f6f8;--card:#fff;--text:#1b2430;--muted:#5b6776;--accent:#0b5cad;--ok:#1d7a3a;--bad:#b3261e;--warn:#8a5a00;font-family:system-ui,-apple-system,Segoe UI,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#11161c;--card:#1b232c;--text:#e6ebf0;--muted:#9aa6b2;--accent:#5aa2ec;--ok:#5cc27a;--bad:#f08a80;--warn:#e0b04d}}body{background:var(--bg);color:var(--text);margin:0}main{gap:16px;max-width:1080px;margin:0 auto;padding:16px;display:grid}header{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}h1{margin:0;font-size:1.4rem}h2{margin:0 0 8px;font-size:1.05rem}.status,.hint{color:var(--muted);margin:0;font-size:.9rem}.card{background:var(--card);border-radius:12px;padding:16px;box-shadow:0 1px 3px #0000001f}.radio{justify-items:center;gap:12px;display:grid}.channel{letter-spacing:.08em;font-family:ui-monospace,monospace;font-size:1.6rem}.ptt{aspect-ratio:1.6;background:var(--accent);color:#fff;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;border:none;border-radius:16px;width:min(260px,100%);font-size:1.3rem;font-weight:600}.ptt small{font-size:.8rem;font-weight:400}.ptt.active{background:var(--bad)}.ptt:disabled{opacity:.5;cursor:not-allowed}.meter{background:color-mix(in srgb, var(--muted) 25%, transparent);border-radius:4px;width:min(260px,100%);height:8px;overflow:hidden}#level{background:var(--ok);width:0;height:100%;transition:width 80ms linear}form{gap:8px;display:grid}textarea{font:inherit;border:1px solid color-mix(in srgb, var(--muted) 50%, transparent);color:inherit;background:0 0;border-radius:8px;padding:8px}form button{font:inherit;background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-self:start;padding:8px 16px}.log,.checks,.hints{gap:6px;margin:0;padding-left:20px;display:grid}.log .station{color:var(--accent)}.log .info{color:var(--muted)}.log .error,.checks .missing,.checks .wrong{color:var(--bad)}.checks .ok{color:var(--ok)}.hints{color:var(--warn);margin-top:8px}.controls{flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px;display:flex}select,button.secondary{font:inherit;border:1px solid color-mix(in srgb, var(--muted) 50%, transparent);color:inherit;cursor:pointer;background:0 0;border-radius:8px;padding:6px 10px}.ptt.receiving{background:var(--ok)}.busy{min-height:1.2em;color:var(--accent);margin:0;font-size:.9rem}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid color-mix(in srgb, var(--muted) 25%, transparent);white-space:nowrap;padding:4px 8px}tr.slow td:nth-child(6){color:var(--bad);font-weight:600}details summary{cursor:pointer;font-weight:600}details form{margin-top:12px}.consent{align-items:flex-start;gap:8px;font-weight:600;display:flex}.sentences{gap:12px;margin:0;padding-left:20px;display:grid}.sentences li{border-radius:8px;padding:8px}.sentences li.selected{outline:2px solid var(--accent)}.sentences p{margin:0 0 6px}.sentences button{font:inherit;background:var(--accent);color:#fff;cursor:pointer;touch-action:none;border:none;border-radius:8px;margin-right:8px;padding:6px 12px}.device-card{gap:10px;display:grid}.device-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:start;gap:16px;display:grid}@media (width<=900px){.device-layout{grid-template-columns:minmax(0,1fr)}}.device{background:radial-gradient(120% 120% at 70% 0,#1d5a78 0%,#0b2540 60%);border-radius:12px;padding:10px 6px 4px}.guide-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px;display:flex}.guide-head label{color:var(--muted);font-size:.85rem}.guide-steps{gap:6px;margin:0;padding-left:22px;display:grid}.guide-steps li.done{color:var(--ok)}.guide-steps li.current{font-weight:700}.guide-hint{background:color-mix(in srgb, var(--accent) 12%, transparent);border-radius:8px;margin:10px 0 0;padding:10px 12px;font-size:.9rem}.ship{color:var(--muted);margin:0;font-size:.9rem}.rx-triggers{flex-wrap:wrap;align-items:center;gap:.4rem;margin:.6rem 0;font-size:.85rem;display:flex}.rx-triggers button{padding:.25rem .6rem;font-size:.8rem}.rx-triggers button[aria-pressed=true]{color:#1a0a00;background:#ff8f2a}.exercise-pick{gap:.25rem;margin-bottom:.6rem;font-size:.85rem;display:grid}.exercise-pick select{font:inherit;padding:.3rem}.guide-explain{color:#2f6b3a;margin:.4rem 0 0;font-size:.85rem}.guide-explain:empty{display:none}#mistakes li{color:#9b2c1f}