:root {
  --bg: #0b1017; --panel: rgba(14, 20, 29, .92); --line: #243142; --text: #e8eef6; --dim: #8fa1b6;
  --accent: #35e0b0; --accent2: #53b8ff; --warn: #ffb347; --bad: #ff6b6b;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow: hidden; }
#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
[hidden] { display: none !important; }
kbd { background: #1b2635; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; font: 12px ui-monospace, monospace; }
code { background: #1b2635; padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* menu */
#menu { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; padding: 16px; overflow: auto;
  background: radial-gradient(1200px 700px at 70% 0%, #14324a 0%, #0b1017 60%); }
.panel { width: min(960px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.panel.small { width: min(480px, 100%); text-align: center; }
h1 { margin: 0 0 4px; font-size: 34px; letter-spacing: .5px; background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { margin: 0 0 10px; font-size: 16px; display: flex; justify-content: space-between; align-items: center; }
.tag { margin: 0 0 16px; color: var(--dim); }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tab { flex: 1; padding: 11px; font-size: 16px; border-radius: 12px; border: 1px solid var(--line); background: #121a25; color: var(--dim); cursor: pointer; }
.tab.on { color: var(--text); border-color: var(--accent); background: #12302d; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 14px; margin-bottom: 18px; }
.card { background: #111925; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.state { font-size: 12px; font-weight: 500; color: var(--dim); }
.state.ok { color: var(--accent); } .state.err { color: var(--bad); }
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 8px 0; color: var(--text); }
.row input[type=number], .row input[type=text], .row select { background: #0b1118; color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font: inherit; width: 120px; }
.row input[type=range] { width: 120px; accent-color: var(--accent); }
.row output { width: 18px; text-align: right; color: var(--accent); }
.hint { color: var(--dim); font-size: 12.5px; margin: 8px 0 0; }
.hint.warn { color: var(--warn); }
.center { text-align: center; }
.btn { background: #1a2736; color: var(--text); border: 1px solid var(--line); padding: 10px 16px; border-radius: 10px; font: inherit; cursor: pointer; margin: 4px 0; }
.btn:hover { border-color: var(--accent2); }
.btn.big { display: block; width: 100%; padding: 15px; font-size: 18px; font-weight: 700; background: linear-gradient(90deg, #1fb994, #2d8fe0); border: 0; color: #04120e; margin-top: 4px; }
.btn.big:hover { filter: brightness(1.1); }
.overlay { position: fixed; inset: 0; background: rgba(5, 9, 14, .65); display: flex; align-items: center; justify-content: center; padding: 16px; }
.overlay .btn { display: block; width: 100%; }

/* HUD */
#hud { position: fixed; inset: 0; pointer-events: none; font-variant-numeric: tabular-nums; text-shadow: 0 1px 4px rgba(0,0,0,.6); }
.hud-top { position: absolute; top: 14px; left: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.chip { background: rgba(10, 16, 24, .72); border: 1px solid rgba(255,255,255,.1); border-radius: 10px; padding: 6px 12px; font-size: 20px; font-weight: 700; backdrop-filter: blur(4px); }
.chip.dim { font-size: 15px; color: var(--dim); align-self: center; }
#minimap { position: absolute; top: 12px; right: 12px; width: 150px; height: 150px; background: rgba(10,16,24,.6); border-radius: 12px; border: 1px solid rgba(255,255,255,.1); }
.hud-bottom { position: absolute; left: 0; right: 0; bottom: 22px; display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 0 12px; }
.gauges { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.gauge { min-width: 92px; background: rgba(10, 16, 24, .74); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 6px 12px; text-align: center; backdrop-filter: blur(4px); }
.gauge b { display: block; font-size: 30px; line-height: 1.05; }
.gauge small { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.gauge.main b { font-size: 44px; }
.gauge.up b { color: var(--warn); } .gauge.down b { color: var(--accent2); }
.control-line { font-size: 13px; color: #cfe3f5; background: rgba(10,16,24,.6); border-radius: 8px; padding: 3px 10px; min-height: 22px; }
#profile { width: min(720px, 92vw); height: 60px; background: rgba(10,16,24,.62); border-radius: 10px; border: 1px solid rgba(255,255,255,.1); }
.keys { position: absolute; left: 14px; bottom: 6px; font-size: 11px; color: rgba(255,255,255,.55); }
#toasts { position: absolute; top: 72px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 6px; align-items: center; }
.toast { background: rgba(10,16,24,.82); border-left: 4px solid var(--accent); padding: 7px 14px; border-radius: 8px; font-weight: 600; animation: fade 4.5s forwards; }
.toast.atk { border-color: var(--bad); color: #ffd0d0; }
@keyframes fade { 0%, 80% { opacity: 1; } 100% { opacity: 0; transform: translateY(-6px); } }
#countdown { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 140px; font-weight: 900; color: #fff; text-shadow: 0 6px 30px rgba(0,0,0,.7); }

#res-body table { width: 100%; border-collapse: collapse; margin: 12px 0 16px; text-align: left; }
#res-body td, #res-body th { padding: 5px 8px; border-bottom: 1px solid var(--line); }
#res-body tr.me { color: var(--accent); font-weight: 700; }
#res-body .sum { color: var(--dim); font-size: 13px; }
@media (max-width: 640px) { .gauge b { font-size: 22px; } .gauge.main b { font-size: 32px; } .gauge { min-width: 70px; padding: 4px 8px; } #minimap { width: 100px; height: 100px; } .chip { font-size: 15px; } .keys { display: none; } }

#board { position: absolute; top: 172px; right: 12px; width: 190px; background: rgba(10,16,24,.72); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 6px 4px; backdrop-filter: blur(4px); font-size: 14px; }
#board .brow { display: grid; grid-template-columns: 18px 12px 1fr auto; align-items: center; gap: 6px; padding: 3px 8px; border-radius: 8px; }
#board .brow.me { background: rgba(53,224,176,.2); font-weight: 700; }
#board .dot { width: 10px; height: 10px; border-radius: 50%; }
#board .gap { color: var(--dim); font-size: 12px; }
#board .brow.me .gap { color: var(--text); }
@media (max-width: 640px) { #board { top: 120px; width: 150px; font-size: 12px; } }

.code { font-size: 30px; letter-spacing: .25em; color: var(--accent); }
#lobby-players { text-align: left; margin: 10px 0; }
#lobby-players .brow { display: flex; align-items: center; gap: 10px; padding: 6px 10px; border-bottom: 1px solid var(--line); }
#lobby-players .dot { width: 12px; height: 12px; border-radius: 50%; }
#lobby-players small { margin-left: auto; color: var(--dim); }