/**
 * Reset, base element styles, and cross-cutting accessibility rules that
 * apply everywhere (focus-visible, reduced-motion, tap target floor).
 */
* { box-sizing: border-box; }

html, body {
  height: 100%;
  height: 100dvh;
  height: -webkit-fill-available;
  margin: 0;
  background: var(--ink-950);
  color: var(--ink-100);
  -webkit-user-select: none;
  user-select: none;
}

body {
  font-family: var(--font-ui);
  font-size: var(--text-md);
  line-height: var(--lh-md);
  -webkit-font-smoothing: antialiased;
}

/* Tabular numerals everywhere a value updates — the "instrument" feel — plus
   a monospace fallback class for the densest numeric readouts. */
.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

#app {
  position: relative;
  height: 100%;
  height: 100dvh;
  height: -webkit-fill-available;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent-live); }
a:hover { color: color-mix(in oklch, var(--accent-live) 70%, white); }

button, select, input {
  font-family: inherit;
  color: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

/* ── Focus-visible: real keyboard focus styling everywhere (the old system
   had exactly one :focus rule in 2,224 lines) ── */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent-live);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
/* Pill/round controls want a matching round focus ring, not a square one */
.pill:focus-visible,
button[class*="Btn"]:focus-visible {
  outline-offset: 3px;
}

/* ── Reduced motion: collapse to instant everywhere ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Minimum touch target: 44×44 hit area on icon-only controls, achieved
   via a transparent pseudo-expansion so visual size can stay compact ── */
.tapTarget {
  position: relative;
}
.tapTarget::after {
  content: "";
  position: absolute;
  inset: 50%;
  width: max(100%, var(--tap-min));
  height: max(100%, var(--tap-min));
  transform: translate(-50%, -50%);
}

/* ── Scrollbars: thin, ink-toned, no light-mode default flash ── */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--ink-600) transparent;
}
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--ink-600);
  border-radius: var(--radius-pill);
}
*::-webkit-scrollbar-thumb:hover { background: var(--ink-500); }

.hidden { display: none !important; }
.srOnly {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/**
 * ── Shared primitives ──────────────────────────────────────────────────
 * Every panel/surface/button in the app composes from these instead of
 * hand-rolling its own radius/border/shadow combination.
 */

/* Surface: a solid ink card. This is the DEFAULT panel treatment — glass/
   blur is reserved for exactly one place (the topbar) per the design brief,
   not sprinkled everywhere. */
.surface {
  background: var(--ink-900);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised);
}
.surface--raised {
  background: var(--ink-850);
}

/* Glass: the one deliberate blur treatment (topbar + playback transport —
   both float directly over the live map and benefit from seeing through). */
.glass {
  background: var(--scrim-strong);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
}

.iconBtn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--ink-100);
  cursor: pointer;
  transition: background var(--ease-standard), border-color var(--ease-standard);
}
.iconBtn:hover { background: var(--ink-800); }
.iconBtn:active { background: var(--ink-750); }
.iconBtn svg { display: block; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 34px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid var(--hairline);
  background: var(--ink-850);
  color: var(--ink-100);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: background var(--ease-standard), border-color var(--ease-standard),
              color var(--ease-standard), box-shadow var(--ease-standard);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.pill:hover { border-color: var(--hairline-strong); }

/* "Live" state — the cyan accent, lit. Used on the transport button whenever
   server-sync mode is active (see 06-playback.css for the touch specifics). */
.pill--live {
  background: var(--accent-live-dim);
  border-color: var(--accent-live-line);
  color: var(--accent-live);
  font-weight: var(--weight-bold);
  text-shadow: 0 0 12px var(--accent-live-line);
}

/* "Time" state — the violet accent, for anything that reflects the user is
   scrubbed into the past (kept distinct from --pill--live intentionally). */
.pill--time {
  background: var(--accent-time-dim);
  border-color: var(--accent-time-line);
  color: var(--accent-time);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: 24px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--ink-800);
  color: var(--ink-300);
  font-size: var(--text-2xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.02em;
}

.divider {
  height: 1px;
  background: var(--hairline);
  border: none;
  margin: var(--space-2) 0;
}