:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #edf4f1; background: #08110f; font-synthesis: none;
  --panel: rgba(18, 34, 30, .86); --line: rgba(174, 224, 205, .15);
  --mint: #79f2c0; --muted: #9bb2aa; --danger: #ff9b94;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 85% 0, #15382e 0, transparent 35%), radial-gradient(circle at 0 100%, #132b2a 0, transparent 30%), #08110f; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 42px 42px; }
.shell { position: relative; width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0; }
header { display: flex; justify-content: space-between; align-items: end; margin-bottom: 28px; }
h1 { margin: 4px 0 0; font-size: clamp(2.2rem, 7vw, 4.5rem); line-height: .95; letter-spacing: -.065em; }
.eyebrow { color: var(--mint); font: 700 .72rem ui-monospace, monospace; letter-spacing: .18em; }
.status { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #0b1714; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: #63716c; }
.status[data-state="ready"] i { background: var(--mint); box-shadow: 0 0 14px var(--mint); }
.status[data-state="connecting"] i, .status[data-state="reconnecting"] i, .status[data-state="starting"] i, .status[data-state="waiting-reconnect"] i { background: #ffd479; animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.card, .metrics article { border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(18px); box-shadow: 0 24px 80px rgba(0,0,0,.23); }
.card { border-radius: 22px; padding: 26px; }
.section-title { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin-bottom: 22px; }
h2 { margin: 0; font-size: 1.05rem; }
.section-title span, .switch-row p, .notes p { color: var(--muted); font-size: .85rem; }
label { display: grid; gap: 8px; color: #c8d8d2; font-size: .82rem; }
input, select, button { font: inherit; }
input, select { width: 100%; color: #edf4f1; background: #0a1613; border: 1px solid var(--line); border-radius: 10px; padding: 12px 13px; outline: none; }
input:focus, select:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(121,242,192,.1); }
.grid { display: grid; grid-template-columns: 1fr 180px; gap: 16px; margin-top: 16px; }
.switch-row { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin: 20px 0; }
.switch { display: flex; align-items: center; gap: 9px; white-space: nowrap; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; }
.switch span { width: 38px; height: 22px; padding: 3px; border-radius: 20px; background: #35463f; transition: .2s; }
.switch span::after { content: ""; display: block; width: 16px; height: 16px; border-radius: 50%; background: white; transition: .2s; }
.switch input:checked + span { background: var(--mint); }
.switch input:checked + span::after { transform: translateX(16px); background: #082019; }
code { color: var(--mint); }
.actions { display: flex; gap: 10px; }
button { border: 1px solid var(--line); border-radius: 10px; padding: 11px 18px; color: #e7f1ed; background: #192a25; cursor: pointer; font-weight: 700; }
button.primary { color: #062118; background: var(--mint); border-color: var(--mint); }
button:disabled { cursor: not-allowed; opacity: .4; }
.error { min-height: 1.2em; color: var(--danger); margin: 14px 0 0; font-size: .85rem; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 12px 0; }
.metrics article { border-radius: 16px; padding: 18px; }
.metrics span { display: block; color: var(--muted); font-size: .75rem; margin-bottom: 8px; }
.metrics strong { font: 600 1.35rem ui-monospace, monospace; }
.notes p { margin: 10px 0 0; line-height: 1.65; }
@media (max-width: 650px) { .shell { padding: 32px 0; } header { align-items: start; } .status { padding: 8px 10px; } .section-title, .switch-row { align-items: start; flex-direction: column; } .grid { grid-template-columns: 1fr; } .metrics { grid-template-columns: repeat(2, 1fr); } }