/* 🐐 GOAT TOUCH — State-of-the-Art Touch Design System
   Optimized for iPad, Surface Pro, iPhone, Android tablets, and touchscreen laptops.
   All targets are 44×44px minimum (Apple HIG), 48×48dp (Material), typically 80-120px for pro use.
*/

:root {
  --goat-red: #c1121f;
  --goat-red-bright: #e63946;
  --goat-gold: #ffd700;
  --goat-gold-bright: #ffed4e;
  --goat-black: #0a0a0a;
  --goat-charcoal: #1a1a1a;
  --goat-gray: #2a2a2a;
  --goat-silver: #9ca3af;
  --goat-cream: #f5f5dc;
  --goat-green: #22c55e;
  --goat-cyan: #06b6d4;
  --goat-purple: #a855f7;
  --goat-orange: #f97316;

  --touch-min: 64px;           /* absolute minimum touch target */
  --touch-std: 88px;            /* standard touch target */
  --touch-big: 120px;           /* large touch target */
  --touch-xl: 160px;            /* extra large (hero buttons) */
  --touch-gap: 12px;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-touch: 0 8px 20px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.3);
  --shadow-pressed: inset 0 4px 12px rgba(0,0,0,0.6);
  --shadow-glow-red: 0 0 24px rgba(193,18,31,0.6);
  --shadow-glow-gold: 0 0 24px rgba(255,215,0,0.6);
  --shadow-glow-green: 0 0 24px rgba(34,197,94,0.6);

  --gradient-power: linear-gradient(135deg, #c1121f 0%, #780000 100%);
  --gradient-gold: linear-gradient(135deg, #ffd700 0%, #b8860b 100%);
  --gradient-dark: linear-gradient(145deg, #1a1a1a 0%, #0a0a0a 100%);
  --gradient-mint: linear-gradient(135deg, #22c55e 0%, #059669 100%);
}

/* ============== RESET & BASE ============== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  background: var(--goat-black);
  color: var(--goat-cream);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Pro Display', sans-serif;
  overflow-x: hidden;
  overscroll-behavior: none;          /* no pull-to-refresh */
  touch-action: manipulation;          /* removes 300ms tap delay */
  -webkit-text-size-adjust: 100%;
}

body.touch-mode {
  position: fixed;
  inset: 0;
  overflow: hidden;
  touch-action: none;
}

input, textarea { user-select: text; -webkit-user-select: text; }

/* ============== TOUCH BUTTONS ============== */
.t-btn {
  min-width: var(--touch-std);
  min-height: var(--touch-std);
  padding: 16px 24px;
  font-size: 18px;
  font-weight: 800;
  color: var(--goat-cream);
  background: var(--gradient-dark);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-touch);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  transition: all 0.1s ease;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

.t-btn:active, .t-btn.pressed {
  transform: scale(0.96);
  box-shadow: var(--shadow-pressed);
  filter: brightness(1.2);
}

.t-btn.primary {
  background: var(--gradient-power);
  border-color: var(--goat-red-bright);
  color: white;
}
.t-btn.primary:active { box-shadow: var(--shadow-glow-red), var(--shadow-pressed); }

.t-btn.gold {
  background: var(--gradient-gold);
  border-color: var(--goat-gold-bright);
  color: var(--goat-black);
}
.t-btn.gold:active { box-shadow: var(--shadow-glow-gold), var(--shadow-pressed); }

.t-btn.green {
  background: var(--gradient-mint);
  border-color: var(--goat-green);
  color: white;
}
.t-btn.green:active { box-shadow: var(--shadow-glow-green), var(--shadow-pressed); }

.t-btn.big   { min-height: var(--touch-big); font-size: 22px; padding: 20px 32px; border-radius: var(--radius-lg); }
.t-btn.xl    { min-height: var(--touch-xl);  font-size: 28px; padding: 28px 40px; border-radius: var(--radius-xl); }

/* LED / glow indicator */
.t-btn.active {
  box-shadow: 0 0 30px currentColor, var(--shadow-touch);
  border-color: currentColor;
}

/* ============== TOP BAR ============== */
.t-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,215,0,0.2);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  z-index: 100;
  padding-top: env(safe-area-inset-top);
  height: calc(64px + env(safe-area-inset-top));
}
.t-topbar .brand {
  font-size: 20px;
  font-weight: 900;
  color: var(--goat-gold);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.t-topbar .brand .emoji { font-size: 28px; }
.t-topbar .spacer { flex: 1; }
.t-topbar .chip {
  padding: 6px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--goat-silver);
}
.t-topbar .chip.on { background: rgba(34,197,94,0.2); color: var(--goat-green); border-color: var(--goat-green); }

/* ============== BOTTOM TAB BAR ============== */
.t-tabbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,215,0,0.2);
  display: flex;
  justify-content: space-around;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom)) 0;
  z-index: 100;
}
.t-tab {
  flex: 1;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--goat-silver);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  text-decoration: none;
  transition: color 0.15s;
}
.t-tab .ic { font-size: 24px; }
.t-tab .lb { font-size: 10px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; }
.t-tab.active { color: var(--goat-gold); }
.t-tab:active { color: var(--goat-red-bright); }

/* ============== TILE GRID ============== */
.t-page {
  padding: calc(64px + env(safe-area-inset-top) + 16px) 16px calc(84px + env(safe-area-inset-bottom)) 16px;
  min-height: 100vh;
}
.t-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}
@media (min-width: 768px) {
  .t-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
}
.t-tile {
  aspect-ratio: 1;
  background: var(--gradient-dark);
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-touch);
  cursor: pointer;
  text-decoration: none;
  color: var(--goat-cream);
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}
.t-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--tile-color, transparent);
  opacity: 0.12;
  pointer-events: none;
}
.t-tile:active { transform: scale(0.95); box-shadow: var(--shadow-pressed); }
.t-tile .icon { font-size: 44px; }
.t-tile .title { font-size: 14px; font-weight: 800; text-align: center; letter-spacing: 0.5px; }
.t-tile .sub { font-size: 11px; color: var(--goat-silver); text-align: center; }
.t-tile.wide { aspect-ratio: 2 / 1; grid-column: span 2; }
.t-tile.tall { aspect-ratio: 1 / 2; grid-row: span 2; }

.t-tile.red    { --tile-color: var(--goat-red-bright); border-color: var(--goat-red); }
.t-tile.gold   { --tile-color: var(--goat-gold);       border-color: var(--goat-gold); }
.t-tile.green  { --tile-color: var(--goat-green);      border-color: var(--goat-green); }
.t-tile.cyan   { --tile-color: var(--goat-cyan);       border-color: var(--goat-cyan); }
.t-tile.purple { --tile-color: var(--goat-purple);     border-color: var(--goat-purple); }
.t-tile.orange { --tile-color: var(--goat-orange);     border-color: var(--goat-orange); }

/* ============== PAD GRID (MPC style) ============== */
.pad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 10px;
}
.pad {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  background: var(--gradient-dark);
  border: 2px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow-touch);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  position: relative;
  transition: all 0.05s;
  touch-action: none;
}
.pad:active, .pad.hit {
  transform: scale(0.92);
  background: var(--gradient-power);
  border-color: var(--goat-gold);
  box-shadow: var(--shadow-glow-red), var(--shadow-pressed);
}
.pad .pad-name { font-size: 10px; font-weight: 800; color: var(--goat-silver); text-transform: uppercase; letter-spacing: 0.5px; }
.pad .pad-num  { font-size: 20px; font-weight: 900; color: var(--goat-gold); }
.pad.playing {
  background: var(--gradient-gold);
  border-color: var(--goat-gold);
  box-shadow: var(--shadow-glow-gold);
}
.pad.playing .pad-name, .pad.playing .pad-num { color: var(--goat-black); }

/* ============== FADERS ============== */
.fader-rack {
  display: flex;
  gap: 8px;
  padding: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}
.fader-strip {
  min-width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 8px;
  background: var(--goat-charcoal);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.08);
  scroll-snap-align: start;
}
.fader-label { font-size: 11px; font-weight: 700; color: var(--goat-gold); text-transform: uppercase; letter-spacing: 0.5px; }
.fader-track {
  width: 32px;
  height: 240px;
  background: linear-gradient(to top, #1a1a1a 0%, #2a2a2a 100%);
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.6);
  touch-action: none;
  cursor: grab;
}
.fader-track:active { cursor: grabbing; }
.fader-fill {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: var(--gradient-power);
  border-radius: 6px;
  height: 50%;
  transition: height 0.04s linear;
}
.fader-thumb {
  position: absolute;
  left: -10px; right: -10px;
  height: 40px;
  background: linear-gradient(180deg, #f5f5dc 0%, #b8b8a0 100%);
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.6), inset 0 -2px 4px rgba(0,0,0,0.3);
  bottom: 50%;
  margin-bottom: -20px;
  transition: bottom 0.04s linear;
  pointer-events: none;
}
.fader-thumb::after {
  content: '';
  position: absolute;
  left: 4px; right: 4px;
  top: 50%;
  height: 2px;
  background: var(--goat-red);
  border-radius: 1px;
}
.fader-value { font-size: 14px; font-weight: 800; color: var(--goat-cream); font-variant-numeric: tabular-nums; min-width: 40px; text-align: center; }

/* ============== XY PAD ============== */
.xy-pad {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
  border: 2px solid rgba(255,215,0,0.3);
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: inset 0 0 40px rgba(0,0,0,0.8), var(--shadow-touch);
  touch-action: none;
  overflow: hidden;
}
.xy-pad::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.5%, rgba(255,215,0,0.15) 50%, transparent 50.5%),
    linear-gradient(180deg, transparent 49.5%, rgba(255,215,0,0.15) 50%, transparent 50.5%);
  pointer-events: none;
}
.xy-dot {
  position: absolute;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--goat-gold-bright) 0%, var(--goat-red-bright) 70%, transparent 100%);
  box-shadow: 0 0 30px var(--goat-gold), 0 0 60px var(--goat-red-bright);
  transform: translate(-50%, -50%);
  top: 50%; left: 50%;
  pointer-events: none;
  transition: top 0.04s, left 0.04s;
}

/* ============== JOG WHEEL ============== */
.jog-wheel {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, #3a3a3a, #0a0a0a 70%),
    conic-gradient(from 0deg, #2a2a2a, #1a1a1a, #2a2a2a);
  border: 4px solid #444;
  box-shadow: var(--shadow-touch), inset 0 0 20px rgba(0,0,0,0.8);
  position: relative;
  margin: 0 auto;
  touch-action: none;
  cursor: grab;
}
.jog-wheel:active { cursor: grabbing; }
.jog-wheel::before {
  content: '';
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, #2a2a2a, #0a0a0a);
  border: 2px solid rgba(255,215,0,0.2);
}
.jog-marker {
  position: absolute;
  left: 50%; top: 10px;
  width: 6px; height: 30px;
  background: var(--goat-gold);
  border-radius: 3px;
  transform: translateX(-50%);
  transform-origin: 50% 120px;
  box-shadow: 0 0 10px var(--goat-gold);
}
.jog-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--gradient-power);
  border: 2px solid var(--goat-gold);
  box-shadow: 0 4px 16px rgba(0,0,0,0.8), inset 0 2px 4px rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  color: var(--goat-cream);
  letter-spacing: 1px;
}

/* ============== PIANO KEYS ============== */
.piano-keys {
  position: relative;
  background: #1a1a1a;
  border-radius: var(--radius-md);
  padding: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  height: 220px;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
}
.piano-inner { position: relative; height: 100%; white-space: nowrap; }
.pkey {
  position: absolute;
  top: 8px; bottom: 8px;
  display: inline-block;
  cursor: pointer;
  touch-action: none;
}
.pkey.white {
  width: 56px;
  background: linear-gradient(180deg, #f5f5dc 0%, #d4d4b8 100%);
  border: 1px solid #888;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
  z-index: 1;
}
.pkey.black {
  width: 36px;
  height: 60%;
  background: linear-gradient(180deg, #2a2a2a 0%, #000 100%);
  border: 1px solid #000;
  border-radius: 0 0 4px 4px;
  z-index: 2;
  top: 8px;
}
.pkey.active {
  background: var(--gradient-power) !important;
  box-shadow: 0 0 20px var(--goat-red-bright);
}

/* ============== MACRO DECK ============== */
.deck-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  padding: 10px;
}
@media (max-width: 720px) {
  .deck-grid { grid-template-columns: repeat(4, 1fr); }
}
.deck-btn {
  aspect-ratio: 1;
  background: var(--gradient-dark);
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: var(--shadow-touch);
  cursor: pointer;
  color: var(--goat-cream);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px;
  text-align: center;
  transition: all 0.1s;
}
.deck-btn:active { transform: scale(0.92); box-shadow: var(--shadow-pressed); filter: brightness(1.3); }
.deck-btn .emoji { font-size: 28px; }
.deck-btn.red    { background: var(--gradient-power); border-color: var(--goat-red-bright); color: white; }
.deck-btn.gold   { background: var(--gradient-gold); border-color: var(--goat-gold-bright); color: var(--goat-black); }
.deck-btn.green  { background: var(--gradient-mint); border-color: var(--goat-green); color: white; }
.deck-btn.cyan   { background: linear-gradient(135deg, #06b6d4, #0c4a6e); border-color: var(--goat-cyan); color: white; }
.deck-btn.purple { background: linear-gradient(135deg, #a855f7, #6b21a8); border-color: var(--goat-purple); color: white; }
.deck-btn.orange { background: linear-gradient(135deg, #f97316, #7c2d12); border-color: var(--goat-orange); color: white; }

/* ============== TRANSPORT ============== */
.transport-bar {
  display: flex;
  gap: 8px;
  padding: 12px;
  background: var(--goat-charcoal);
  border-radius: var(--radius-lg);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.tp-btn {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.15);
  background: var(--gradient-dark);
  color: var(--goat-cream);
  font-size: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-touch);
  transition: all 0.1s;
}
.tp-btn:active { transform: scale(0.92); box-shadow: var(--shadow-pressed); }
.tp-btn.play { background: var(--gradient-mint); border-color: var(--goat-green); color: white; }
.tp-btn.rec  { background: var(--gradient-power); border-color: var(--goat-red-bright); color: white; }
.tp-btn.rec.armed { animation: blink-rec 1s infinite; }
@keyframes blink-rec { 50% { filter: brightness(1.5); box-shadow: var(--shadow-glow-red); } }
.tp-btn.big { width: 110px; height: 110px; font-size: 44px; }

/* ============== METERS & BADGES ============== */
.meter {
  width: 12px;
  height: 120px;
  background: linear-gradient(to top, #0a0a0a, #1a1a1a);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}
.meter-fill {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, #22c55e 0%, #ffd700 70%, #e63946 95%);
  transition: height 0.08s linear;
}

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(239,68,68,0.15);
  border: 1px solid var(--goat-red-bright);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 900;
  color: var(--goat-red-bright);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.badge-live::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--goat-red-bright);
  animation: pulse-dot 1.5s infinite;
}
@keyframes pulse-dot { 50% { opacity: 0.3; } }

/* ============== CHAT (Voice AI) ============== */
.chat-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 10px;
}
.chat-feed {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  -webkit-overflow-scrolling: touch;
}
.chat-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 20px;
  font-size: 15px;
  line-height: 1.5;
  word-wrap: break-word;
}
.chat-msg.user { align-self: flex-end; background: var(--gradient-power); color: white; border-bottom-right-radius: 4px; }
.chat-msg.ai   { align-self: flex-start; background: var(--goat-gray); color: var(--goat-cream); border-bottom-left-radius: 4px; }
.chat-msg.ai strong { color: var(--goat-gold); }

.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 10px;
  background: var(--goat-charcoal);
  border-radius: var(--radius-xl);
  align-items: center;
}
.chat-input {
  flex: 1;
  min-height: 48px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--goat-cream);
  font-size: 16px;         /* 16px prevents iOS zoom */
  outline: none;
}
.mic-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--gradient-gold);
  border: none;
  color: var(--goat-black);
  font-size: 22px;
  cursor: pointer;
  box-shadow: var(--shadow-touch);
  flex-shrink: 0;
}
.mic-btn.listening { background: var(--gradient-power); color: white; animation: pulse-mic 1s infinite; }
@keyframes pulse-mic { 50% { box-shadow: 0 0 30px var(--goat-red-bright); } }

/* ============== HAPTIC HINT ============== */
@media (hover: none) and (pointer: coarse) {
  .t-btn:hover { background: inherit; }
}

/* ============== LANDSCAPE OPTIMIZATION ============== */
@media (orientation: landscape) and (max-height: 500px) {
  .t-topbar { height: 48px; }
  .t-tabbar { padding: 4px 0; }
  .t-tab { min-height: 44px; }
  .t-tab .ic { font-size: 20px; }
  .t-tab .lb { font-size: 9px; }
}

/* ============== DESKTOP FALLBACK ============== */
@media (min-width: 1200px) {
  .t-grid { max-width: 1200px; margin: 0 auto; }
  .t-page { max-width: 1400px; margin: 0 auto; }
}