/* Base look: colors, form controls and layout helpers. */
/* Follows the system's color scheme: light by default, dark when the system is. */
:root {
  color-scheme: light dark;
  --bg: #ffffff; --panel: #ffffff; --fg: #1b1d21; --muted: #5f6670;
  --accent: #d9821a; --warn: #c9372c; --ok: #2f8a3a; --border: #d3d7dc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000; --panel: #1e2125; --fg: #e6e6e6; --muted: #8a9099;
    --accent: #f2a33a; --warn: #e5534b; --ok: #57ab5a; --border: #2d3238;
  }
}
* { box-sizing: border-box; }

button, select { background: var(--panel); color: var(--fg); border: 1px solid var(--border); border-radius: 0; padding: 5px 9px; font: inherit; cursor: pointer; }
button:hover:not(:disabled), select:hover:not(:disabled) { border-color: var(--accent); }
button:disabled, select:disabled { opacity: .5; cursor: default; }
/* Sharp design: no rounded corners anywhere, square slider thumbs. */
input[type=range] { appearance: none; -webkit-appearance: none; height: 18px; background: none; cursor: pointer; }
input[type=range]::-webkit-slider-runnable-track { height: 3px; background: var(--border); }
input[type=range]::-moz-range-track { height: 3px; background: var(--border); }
input[type=range]::-moz-range-progress { height: 3px; background: var(--accent); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 10px; height: 14px; margin-top: -5.5px; background: var(--accent); border: 0; border-radius: 0; }
input[type=range]::-moz-range-thumb { width: 10px; height: 14px; background: var(--accent); border: 0; border-radius: 0; }
input[type=range]:disabled { opacity: .5; cursor: default; }
input[type=number] { background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: 0; padding: 4px 6px; font: inherit; }
[hidden] { display: none !important; }
h2 { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; font-weight: 600; }
.line { display: flex; align-items: center; gap: 8px; }
.line + .line { margin-top: 8px; }
.line label { color: var(--muted); font-size: 12px; min-width: 64px; }
.line input[type=range] { flex: 1; min-width: 0; }
.grow { flex: 1; min-width: 0; }
.toggle[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.hint { color: var(--muted); font-size: 11px; margin: 6px 0 0; }
.vol { color: var(--muted); font: 12px ui-monospace, monospace; min-width: 38px; text-align: right; }
a { color: var(--accent); }