/* ==========================================================================
   GULLY BAAZI : BHARAT — retro.css
   Design tokens lifted verbatim from design_reference/arcade_chronicle/DESIGN.md
   Philosophy: zero radius, hard stepped shadows, extruded bevels, recessed wells,
   CRT scanlines, 8px modular rhythm. No framework, no icon font.
   ========================================================================== */

:root {
  /* --- brand / roles ------------------------------------------------- */
  --primary: #ffc665;
  --primary-container: #e5a93c;
  --primary-dim: #fabc4d;
  --on-primary: #432c00;
  --primary-fixed: #ffdead;

  --secondary: #8bd3d0;
  --secondary-container: #005d5b;
  --secondary-fixed: #a7f0ec;
  --on-secondary: #003736;
  --on-secondary-container: #8ad3d0;

  --tertiary: #ffc2a7;
  --tertiary-container: #ff9a6b;
  --on-tertiary: #571e00;

  --error: #ffb4ab;
  --error-container: #93000a;
  --on-error: #690005;

  /* --- arcade accents (DESIGN.md) ------------------------------------ */
  --neon-magenta: #ff2a85;
  --retro-cyan: #00f0ff;
  --olive: #4b5320;

  /* --- surfaces: CRT phosphor charcoal ------------------------------- */
  --surface: #141311;
  --surface-dim: #141311;
  --surface-lowest: #0f0e0c;
  --surface-low: #1d1b19;
  --surface-container: #211f1d;
  --surface-high: #2b2a27;
  --surface-highest: #363432;
  --surface-bright: #3b3936;
  --surface-variant: #363432;

  /* --- text ----------------------------------------------------------- */
  --on-surface: #e6e2de;
  --on-surface-variant: #d4c4b0;
  --outline: #9d8f7c;
  --outline-variant: #504535;

  /* --- elevation: opaque hard offsets --------------------------------- */
  --shadow-1: 2px 2px 0 #000;
  --shadow-2: 3px 3px 0 #000;
  --shadow-3: 4px 4px 0 #000;
  --shadow-4: 6px 6px 0 #000;

  /* --- bevel edges ---------------------------------------------------- */
  --bevel-light: rgba(234, 221, 199, 0.2);
  --bevel-dark: rgba(0, 0, 0, 0.8);

  /* --- type ----------------------------------------------------------- */
  --font-display: 'Space Mono', ui-monospace, 'Courier New', monospace;
  --font-data: 'JetBrains Mono', ui-monospace, 'Courier New', monospace;
  --font-deva: 'Mukta', 'Space Mono', ui-monospace, sans-serif;

  /* --- 8px modular rhythm -------------------------------------------- */
  --xs: 4px;
  --sm: 8px;
  --md: 16px;
  --lg: 24px;
  --xl: 40px;

  --glow-primary: 0 0 8px rgba(255, 198, 101, 0.6);
  --glow-secondary: 0 0 8px rgba(139, 211, 208, 0.6);
  --glow-cyan: 0 0 8px rgba(0, 240, 255, 0.7);
  --glow-neon: 0 0 10px rgba(255, 42, 133, 0.7);
}

/* ==========================================================================
   Reset
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--surface-lowest);
  color: var(--on-surface);
}

body {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.5;
  overscroll-behavior: none;
  -webkit-font-smoothing: none;
  font-smooth: never;
  text-rendering: geometricPrecision;
  overflow: hidden;
}

body.is-locked { cursor: none; }

h1, h2, h3, h4, p, figure { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
img, canvas { display: block; max-width: 100%; }

::selection { background: var(--primary); color: var(--on-primary); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-lowest); }
::-webkit-scrollbar-thumb { background: var(--surface-highest); border: 2px solid var(--surface-lowest); }
::-webkit-scrollbar-thumb:hover { background: var(--outline-variant); }

:focus-visible {
  outline: 2px solid var(--retro-cyan);
  outline-offset: 2px;
}

/* ==========================================================================
   Stage: canvas + overlay roots
   ========================================================================== */

#gl {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#ui-root {
  position: fixed;
  inset: 0;
  z-index: 20;
  overflow: hidden;
  pointer-events: none;
}

/* UI layers never swallow canvas input; interactive screens opt back in. */
.ui-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ui-layer > * { pointer-events: none; }

/* Layer roles: base screens sit under overlays; both are non-blocking by default. */
.ui-layer--base { z-index: 1; }
.ui-layer--overlay { z-index: 2; }

.ui-layer > .screen,
.ui-layer > .pause,
.ui-layer > .modal,
.ui-layer > .toast-stack { pointer-events: auto; }

#fx-root {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
}

.fx-layer { position: absolute; inset: 0; }

/* CRT scanlines — exact gradient from DESIGN.md */
.fx-scanlines {
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.35) 50%);
  background-size: 100% 4px;
  opacity: 0.85;
}

.fx-vignette {
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.55) 100%);
}

/* VHS grain — inline turbulence, no external asset */
.fx-grain {
  opacity: 0.09;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-jitter 0.6s steps(3) infinite;
}

@keyframes grain-jitter {
  0%   { background-position: 0 0; }
  33%  { background-position: -6px 4px; }
  66%  { background-position: 5px -3px; }
  100% { background-position: -4px -5px; }
}

/* CRT power-on / power-off transition */
.fx-power {
  background: var(--surface-lowest);
  opacity: 0;
  transform: scaleY(1);
}
.fx-power.is-on { animation: crt-on 0.55s cubic-bezier(0.2, 0.9, 0.2, 1) forwards; }
.fx-power.is-off { animation: crt-off 0.4s steps(6) forwards; }

@keyframes crt-on {
  0%   { opacity: 1; transform: scaleY(0.006) scaleX(1.15); filter: brightness(3); }
  35%  { opacity: 1; transform: scaleY(0.05) scaleX(1); filter: brightness(2); }
  70%  { opacity: 1; transform: scaleY(1); filter: brightness(1.4); }
  100% { opacity: 0; transform: scaleY(1); filter: brightness(1); }
}

@keyframes crt-off {
  0%   { opacity: 0; transform: scaleY(1); filter: brightness(1); }
  40%  { opacity: 1; transform: scaleY(0.06) scaleX(1); filter: brightness(2.4); }
  70%  { opacity: 1; transform: scaleY(0.006) scaleX(1.2); filter: brightness(4); }
  100% { opacity: 0; transform: scaleY(0.006) scaleX(0); }
}

/* Respect users who don't want motion */
@media (prefers-reduced-motion: reduce) {
  .fx-grain { animation: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* ==========================================================================
   Typography helpers
   ========================================================================== */

.u-display {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.u-headline {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.u-label {
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.u-label--sm { font-size: 9px; letter-spacing: 0.12em; }

.u-data {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.u-body { font-family: var(--font-display); font-size: 13px; line-height: 1.6; color: var(--on-surface-variant); }
.u-deva { font-family: var(--font-deva); }
.u-glow { text-shadow: var(--glow-primary); }
.u-glow--cyan { text-shadow: var(--glow-cyan); }
.u-glow--neon { text-shadow: var(--glow-neon); }
.u-dim { color: var(--on-surface-variant); }
.u-outline { color: var(--outline); }
.u-cyan { color: var(--retro-cyan); }
.u-secondary { color: var(--secondary); }
.u-primary { color: var(--primary); }
.u-tertiary { color: var(--tertiary-container); }
.u-neon { color: var(--neon-magenta); }
.u-center { text-align: center; }
.u-upper { text-transform: uppercase; }
.u-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.stack { display: flex; flex-direction: column; gap: var(--sm); }
.stack--lg { gap: var(--md); }
.row { display: flex; align-items: center; gap: var(--sm); }
.row--between { justify-content: space-between; }
.row--wrap { flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-width: 0; }
.spacer { flex: 1 1 auto; }

/* ==========================================================================
   Surfaces: panels, wells, badges
   ========================================================================== */

.panel {
  background: var(--surface-container);
  border: 2px solid var(--surface-high);
  box-shadow: var(--shadow-3);
}

.panel--low { background: var(--surface-low); }
.panel--lowest { background: var(--surface-lowest); }

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sm);
  padding: var(--sm) var(--sm);
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.panel__head--olive { background: var(--olive); color: var(--on-surface); }
.panel__head--primary { background: var(--primary-container); color: var(--on-primary); }
.panel__body { padding: var(--sm); }

.well {
  background: var(--surface-lowest);
  border: 2px solid var(--surface-high);
  box-shadow: inset var(--shadow-1);
}

.bevel {
  border-style: solid;
  border-width: 2px;
  border-color: var(--bevel-light) var(--bevel-dark) var(--bevel-dark) var(--bevel-light);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--xs);
  padding: 2px 6px;
  font-family: var(--font-data);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--surface-lowest);
  color: var(--on-surface-variant);
}

.badge--primary { background: var(--primary); color: var(--on-primary); }
.badge--secondary { background: var(--secondary-container); color: var(--on-secondary-container); }
.badge--neon { background: var(--neon-magenta); color: #fff; }
.badge--tertiary { background: var(--tertiary-container); color: var(--on-tertiary); }
.badge--danger { background: var(--error-container); color: var(--error); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--xs);
  padding: 4px 8px;
  background: var(--surface-low);
  border: 2px solid var(--surface-high);
  color: var(--on-surface-variant);
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.1s, background 0.1s;
}
.chip:hover { color: var(--primary); background: var(--surface-high); }
.chip.is-active { background: var(--primary); color: var(--on-primary); border-color: var(--primary-container); }

.chamfer { clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px)); }
.notch { clip-path: polygon(0 6px, 6px 6px, 6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) calc(100% - 6px), calc(100% - 6px) 100%, 0 100%); }

/* ==========================================================================
   Buttons — mechanical arcade push-buttons
   ========================================================================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sm);
  width: 100%;
  padding: 12px var(--md);
  border: 2px solid;
  border-color: var(--bevel-light) var(--bevel-dark) var(--bevel-dark) var(--bevel-light);
  box-shadow: var(--shadow-3);
  background: var(--surface-high);
  color: var(--on-surface);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: left;
  cursor: pointer;
  transition: transform 0.06s, box-shadow 0.06s, background 0.12s;
}

.btn:hover { background: var(--surface-bright); }

.btn:active,
.btn.is-pressed {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 #000;
}

.btn__icon { width: 20px; height: 20px; flex: 0 0 auto; fill: currentColor; }
.btn__meta { font-family: var(--font-data); font-size: 9px; letter-spacing: 0.12em; opacity: 0.75; }

.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { background: var(--primary-container); }

.btn--secondary { background: var(--secondary-container); color: var(--on-secondary-container); }
.btn--secondary:hover { background: #00706d; }

.btn--danger { background: var(--tertiary-container); color: var(--on-tertiary); }
.btn--danger:hover { background: var(--neon-magenta); color: #fff; }

.btn--ghost { background: var(--surface-low); color: var(--on-surface-variant); }
.btn--ghost:hover { color: var(--primary); }

.btn--compact { width: auto; padding: 8px 12px; font-size: 11px; }
.btn[disabled], .btn.is-locked {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.6);
}
.btn[disabled]:active, .btn.is-locked:active { transform: none; box-shadow: var(--shadow-3); }

/* ==========================================================================
   Meters — chunky pixel bars (never numbers)
   ========================================================================== */

.meter {
  display: flex;
  gap: 2px;
  height: 12px;
  padding: 2px;
  background: var(--surface-lowest);
  border: 2px solid var(--surface-high);
  box-shadow: inset var(--shadow-1);
}

.meter__cell { flex: 1 1 0; background: var(--surface-highest); }
.meter__cell.is-on { background: var(--primary); }
.meter--hp .meter__cell.is-on { background: var(--secondary); }
.meter--wanted .meter__cell.is-on { background: var(--neon-magenta); }

.bar { height: 10px; background: var(--surface-lowest); border: 2px solid var(--surface-high); padding: 1px; }
.bar__fill { height: 100%; background: var(--primary); transition: width 0.2s; }

/* ==========================================================================
   Terminal ticker / telemetry strip
   ========================================================================== */

.ticker {
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.telemetry {
  display: flex;
  align-items: center;
  gap: var(--md);
  flex-wrap: wrap;
  padding: 6px var(--sm);
  background: var(--surface-lowest);
  border-bottom: 2px solid var(--surface-high);
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.dot { width: 8px; height: 8px; background: var(--primary); flex: 0 0 auto; }
.dot--live { animation: blink 1s steps(2) infinite; }
.dot--secondary { background: var(--secondary); }
.dot--danger { background: var(--neon-magenta); }

@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0.25; } }
.blink { animation: blink 1.1s steps(2) infinite; }

/* ==========================================================================
   Boot splash + noscript
   ========================================================================== */

#boot-splash {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  background: var(--surface-lowest);
  transition: opacity 0.3s;
}
#boot-splash.is-hidden { opacity: 0; pointer-events: none; }

.boot-inner { width: min(420px, 82vw); text-align: center; }
.boot-logo {
  font-family: var(--font-display);
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
  text-shadow: var(--glow-primary);
}
.boot-sub { font-family: var(--font-deva); font-size: 20px; color: var(--tertiary); margin-top: var(--xs); }
.boot-bar {
  margin: var(--md) 0 var(--sm);
  height: 16px;
  padding: 2px;
  background: var(--surface-low);
  border: 2px solid var(--surface-high);
}
.boot-bar-fill { display: block; height: 100%; width: 8%; background: var(--primary); }
.boot-status { font-family: var(--font-data); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--outline); }

.noscript-note {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: grid;
  place-items: center;
  padding: var(--xl);
  background: var(--surface-lowest);
  color: var(--primary);
  font-family: var(--font-display);
  text-align: center;
}