/* The UI palette: brass on deep hull navy, cream type. js/theme.js holds the same values for the canvas screens
   (the chart, the radar, the engine screens) and for the widgets that write their own CSS; keep the two in step. */
:root {
  --bg: #07121a;
  --hull: #0b1a24;
  --surface: #12242f;
  --line: #26414f;
  --panel: rgba(9, 20, 27, 0.70);
  --panel-border: rgba(226, 202, 158, 0.16);
  --text: #f1e8d7;
  --muted: #a99d86;
  --accent: #d3aa63;
  --accent-rgb: 211, 170, 99;
  --accent-2: #8fc6c4;
  --brass-hi: #f0d79c;
  --good: #8fdcae;
  --warn: #f3a54f;
  --bad: #ff7a68;
  --track: rgba(242, 232, 212, 0.16);
  --font: "Inter", "SF Pro Text", "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); font-family: var(--font); }
body { -webkit-font-smoothing: antialiased; touch-action: none; user-select: none; -webkit-user-select: none; }
canvas#gl { position: fixed; inset: 0; width: 100%; height: 100%; display: block; outline: none; }

.overlay { position: fixed; inset: 0; display: grid; place-items: center; background: radial-gradient(ellipse at 50% 60%, #12242f 0%, #07121a 60%, #03080c 100%); z-index: 10; transition: opacity 0.9s ease; }
.overlay.fade { opacity: 0; pointer-events: none; }
.overlay[hidden], #hud[hidden] { display: none; }
.load-card { width: min(420px, 86vw); text-align: center; }
.load-title { font-size: 28px; letter-spacing: 0.28em; text-transform: uppercase; font-weight: 300; color: var(--text); margin-bottom: 26px; }
.load-bar { height: 2px; background: var(--track); border-radius: 2px; overflow: hidden; }
#load-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--brass-hi)); transition: width 0.25s ease; }
.load-msg { margin-top: 14px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.load-steps { list-style: none; margin: 22px auto 0; padding: 0; display: inline-grid; gap: 7px; text-align: left; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(169, 157, 134, 0.42); }
.load-steps li { transition: color 0.4s; }
.load-steps li::before { content: '○'; display: inline-block; width: 1.6em; }
.load-steps li.ok { color: var(--muted); }
.load-steps li.ok::before { content: '✓'; color: var(--accent); }
.error-msg { font-size: 14px; line-height: 1.5; color: var(--muted); white-space: pre-wrap; text-align: left; font-family: ui-monospace, Menlo, Consolas, monospace; }

#hud { position: fixed; inset: 0; pointer-events: none; z-index: 5; }
#hud > * { pointer-events: auto; }
#hud.hidden-ui #panel, #hud.hidden-ui .clock, #hud.hidden-ui .build, #hud.hidden-ui #toggle-panel { opacity: 0; pointer-events: none; }

.clock { position: fixed; left: 22px; bottom: 20px; display: flex; align-items: baseline; gap: 12px; font-variant-numeric: tabular-nums; text-shadow: 0 1px 12px rgba(0, 0, 0, 0.6); transition: opacity 0.4s; }
#clock-time { font-size: 34px; font-weight: 200; letter-spacing: 0.04em; }
.clock-phase { font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
.clock-temp { cursor: pointer; letter-spacing: 0.12em; }
.clock-temp:empty { display: none; }

.build { position: fixed; left: 22px; bottom: 6px; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); opacity: 0.7; font-variant-numeric: tabular-nums; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.75), 0 1px 10px rgba(0, 0, 0, 0.6); transition: opacity 0.4s; }
.build:empty { display: none; }

.icon-btn { position: fixed; z-index: 3; top: 16px; right: 16px; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--panel-border); background: var(--panel); color: var(--text); display: grid; place-items: center; cursor: pointer; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); transition: background 0.2s, opacity 0.4s; }
.icon-btn:hover { background: rgba(24, 38, 46, 0.78); }


.row { display: grid; grid-template-columns: 78px 1fr 64px; align-items: center; gap: 10px; font-size: 12.5px; margin: 5px 0; }
.row > span:first-child { color: var(--text); opacity: 0.85; }
.row output { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; }
.row.buttons { grid-template-columns: 1fr; display: flex; flex-wrap: wrap; gap: 6px; }
.row.check { grid-template-columns: auto 1fr; cursor: pointer; }
.row.check input { width: 16px; height: 16px; accent-color: var(--accent); margin: 0; }
.presets .btn { flex: 1 1 auto; padding: 5px 0; }
.btn.grow, .sel.grow, .txt.grow { flex: 1 1 0; min-width: 0; }
.txt { font: inherit; font-size: 12px; padding: 6px 9px; border-radius: 9px; border: 1px solid var(--panel-border); background: rgba(242, 232, 212, 0.06); color: var(--text); }
.txt::placeholder { color: var(--muted); }
.live-status { margin: 6px 0 2px; font: 11.5px/1.55 var(--font); color: var(--text); opacity: 0.85; white-space: pre-wrap; }
#live-section.is-live h2 { color: #ff8a7a; }
#live-section.is-live h2::after { content: ' ●'; animation: livepulse 2s ease-in-out infinite; }
@keyframes livepulse { 50% { opacity: 0.25; } }
.note.attrib, .note.full { margin-left: 0; }
.txt, .sel { color-scheme: dark; }
.note a { color: var(--accent); }
.note { font-size: 11px; color: var(--muted); margin: 2px 0 4px 88px; line-height: 1.4; }
@media (max-width: 720px) { .note { margin-left: 80px; } }

.btn { font: inherit; font-size: 12px; padding: 6px 10px; border-radius: 9px; border: 1px solid var(--panel-border); background: rgba(242, 232, 212, 0.06); color: var(--text); cursor: pointer; transition: background 0.15s, border-color 0.15s; }
.btn:hover { background: rgba(242, 232, 212, 0.12); }
.btn.is-on { background: rgba(var(--accent-rgb), 0.18); border-color: rgba(var(--accent-rgb), 0.5); }
.sel { font: inherit; font-size: 12px; padding: 5px 8px; border-radius: 9px; border: 1px solid var(--panel-border); background: rgba(242, 232, 212, 0.06); color: var(--text); }
.sel option { background: var(--hull); color: var(--text); }

input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; background: transparent; margin: 0; cursor: pointer; }
input[type=range]::-webkit-slider-runnable-track { height: 3px; border-radius: 2px; background: var(--track); }
input[type=range]::-moz-range-track { height: 3px; border-radius: 2px; background: var(--track); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; margin-top: -5.5px; border-radius: 50%; background: #fff; border: none; box-shadow: 0 1px 6px rgba(0, 0, 0, 0.45); }
input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: none; box-shadow: 0 1px 6px rgba(0, 0, 0, 0.45); }
#time::-webkit-slider-runnable-track { background: linear-gradient(90deg, #0f1c24 0%, #0f1c24 20%, #ff8a4c 27%, #9fd3ff 35%, #bfe2ff 50%, #9fd3ff 66%, #ff8a4c 73%, #0f1c24 80%, #0f1c24 100%); }
#time::-moz-range-track { background: linear-gradient(90deg, #0f1c24 0%, #0f1c24 20%, #ff8a4c 27%, #9fd3ff 35%, #bfe2ff 50%, #9fd3ff 66%, #ff8a4c 73%, #0f1c24 80%, #0f1c24 100%); }

@media (max-width: 720px) {
  .icon-btn { top: 12px; right: 12px; }
  .clock { left: 16px; bottom: 16px; }
  .build { left: 16px; bottom: 2px; }
  #clock-time { font-size: 28px; }
  .row { grid-template-columns: 70px 1fr 58px; }
}
@media (prefers-reduced-motion: reduce) { .overlay, #panel { transition: none; } }

/* toast (mouse-look hint) */
.toast { position: fixed; left: 50%; top: 18px; transform: translateX(-50%); padding: 7px 14px; border-radius: 10px; background: var(--panel); border: 1px solid var(--panel-border); font-size: 12px; color: var(--text); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); pointer-events: none; transition: opacity 0.4s; }
.toast[hidden] { display: none; }