/* ==========================================================================
   GUESS MY PROD - INDUSTRIAL STUDIO & SAMPLER DESIGN SYSTEM
   Inspired by hardware gear (Teenage Engineering, Ableton, Elektron)
   ========================================================================== */

:root {
  --bg-app: #0c0d10;
  --bg-surface: #13151a;
  --bg-surface-raised: #1a1d24;
  --bg-surface-active: #222631;
  --bg-input: #08090b;

  --border-dim: #232734;
  --border-mid: #32384a;
  --border-bright: #4b536d;

  --text-primary: #f1f3f7;
  --text-secondary: #9aa1b4;
  --text-muted: #5e667e;
  --text-inverse: #0c0d10;

  /* Tactile Hardware Accent (Electric Amber / Pure White / Clean Mint) */
  --accent: #ff5e00;
  --accent-soft: rgba(255, 94, 0, 0.15);
  --accent-mint: #22c55e;
  --accent-danger: #ef4444;

  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-ui: 'Outfit', -apple-system, sans-serif;

  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-ui);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* App Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-dim);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-decoration: none;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--text-primary);
  color: var(--bg-app);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-primary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-dim);
  color: var(--text-primary);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  border-color: var(--border-bright);
  background: var(--bg-surface-active);
}

/* Main Container */
.main-content {
  flex: 1;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

/* Screen Transitions */
.screen {
  display: none;
}

.screen.active {
  display: block;
  animation: fadeIn 0.18s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hardware Surface Panel */
.glass-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* Typography */
.title-hero {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.hero-highlight {
  color: var(--accent);
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* Action Grid */
.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.action-card {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.action-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.action-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 20px;
  flex: 1;
}

/* Inputs */
.input-group {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.input-text {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-dim);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  transition: border-color 0.15s ease;
}

.input-text:focus {
  outline: none;
  border-color: var(--text-primary);
}

.input-code {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-align: center;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background: #ffffff;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface-active);
  color: var(--text-primary);
  border-color: var(--border-mid);
}

.btn-secondary:hover {
  background: var(--border-bright);
  color: #fff;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: #ff7324;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-dim);
}

.btn-ghost:hover {
  background: var(--bg-surface-raised);
  color: var(--text-primary);
  border-color: var(--border-mid);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
}

.btn-lg {
  padding: 13px 26px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

/* Room Bar */
.room-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 12px 16px;
  margin-bottom: 24px;
  gap: 12px;
}

.room-code-tag {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.code-badge {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--bg-input);
  border: 1px solid var(--border-dim);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  letter-spacing: 2px;
}

/* Track Count Selector (2 to 5) */
.track-selector {
  display: flex;
  gap: 6px;
}

.pill-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-dim);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pill-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-mid);
}

.pill-btn.active {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

/* Player Grid */
.players-container {
  margin: 20px 0;
}

.players-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.player-chip {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
}

.player-name {
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Track Upload Cards (Host Setup) */
.tracks-setup-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.track-upload-card {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 14px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.track-number-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-dim);
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  letter-spacing: 1px;
}

.file-dropzone {
  flex: 1;
  min-width: 220px;
  position: relative;
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.dropzone-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-input);
  border: 1px dashed var(--border-dim);
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: all 0.15s ease;
}

.dropzone-label.has-file {
  border-style: solid;
  border-color: var(--border-bright);
  background: var(--bg-surface-active);
  color: var(--text-primary);
}

/* Secret Toggle: Ma Prod / Autre Prod */
.secret-toggle {
  display: flex;
  background: var(--bg-input);
  border-radius: var(--radius-xs);
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--border-dim);
}

.toggle-option {
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  border: none;
  transition: all 0.15s ease;
}

.toggle-option.active-prod {
  background: var(--accent);
  color: #fff;
}

.toggle-option.active-other {
  background: var(--bg-surface-active);
  color: var(--text-primary);
}

/* GAMEPLAY: Audio Cards */
.game-tracks-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 20px 0;
}

.game-track-card {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.track-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.track-number-pill {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-dim);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.audio-controls-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-input);
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-dim);
}

.btn-play-pause {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-xs);
  background: var(--text-primary);
  border: none;
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.1s ease;
}

.btn-play-pause:hover {
  background: #ffffff;
}

.visualizer-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.visualizer-canvas {
  width: 100%;
  height: 28px;
}

.progress-track-bar {
  width: 100%;
  height: 4px;
  background: var(--border-dim);
  border-radius: var(--radius-xs);
  cursor: pointer;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: var(--radius-xs);
}

.track-time-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 70px;
  text-align: right;
}

/* Individual Volume Controls */
.track-volume-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-dim);
  flex-shrink: 0;
}

.btn-mute {
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 2px;
  border-radius: var(--radius-xs);
  transition: color 0.15s ease, transform 0.1s ease;
}

.btn-mute:hover {
  color: var(--accent);
  transform: scale(1.08);
}

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 65px;
  height: 4px;
  background: var(--border-dim);
  border-radius: var(--radius-xs);
  outline: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.15s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: #ffffff;
}

.volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: transform 0.1s ease;
}

/* Voting Buttons */
.voting-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-dim);
}

.voting-prompt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.vote-choices-group {
  display: flex;
  gap: 8px;
}

.vote-btn {
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--border-dim);
  background: var(--bg-input);
  color: var(--text-muted);
  transition: all 0.15s ease;
}

.vote-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-mid);
}

.vote-btn.selected-prod {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.vote-btn.selected-other {
  background: var(--bg-surface-active);
  border-color: var(--border-bright);
  color: var(--text-primary);
}

/* REVEAL CARDS */
.reveal-cards-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.reveal-card {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reveal-card.is-prod {
  border-left: 3px solid var(--accent);
}

.reveal-card.not-prod {
  border-left: 3px solid var(--border-bright);
}

.truth-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.truth-badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.truth-badge.badge-prod {
  background: var(--accent);
  color: #fff;
}

.truth-badge.badge-other {
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  color: var(--text-secondary);
}

.player-guesses-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.guess-chip {
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 600;
}

.guess-chip.correct {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #4ade80;
}

.guess-chip.wrong {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* PODIUM */
.podium-container {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 12px;
  margin: 32px 0 24px;
  height: 180px;
}

.podium-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 120px;
}

.podium-player-name {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 2px;
  text-align: center;
}

.podium-player-score {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.podium-block {
  width: 100%;
  border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  border: 1px solid var(--border-dim);
  border-bottom: none;
}

.podium-step.first .podium-block {
  height: 100px;
  background: var(--bg-surface-active);
  border-color: var(--border-bright);
}

.podium-step.second .podium-block {
  height: 70px;
  background: var(--bg-surface-raised);
}

.podium-step.third .podium-block {
  height: 45px;
  background: var(--bg-input);
}

/* Scoreboard Table */
.scoreboard-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.scoreboard-table th {
  text-align: left;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-dim);
}

.scoreboard-table td {
  padding: 10px 12px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border-dim);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}

.toast {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-mid);
  padding: 10px 16px;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

/* Mobile */
@media (max-width: 600px) {
  .app-header {
    padding: 12px 16px;
  }
  .glass-panel {
    padding: 18px 14px;
  }
  .title-hero {
    font-size: 1.4rem;
  }
  .voting-section {
    flex-direction: column;
    align-items: stretch;
  }
  .vote-choices-group {
    width: 100%;
  }
  .audio-controls-row {
    flex-wrap: wrap;
    gap: 8px;
  }
  .visualizer-container {
    width: 100%;
    order: 1;
  }
  .btn-play-pause {
    order: 2;
  }
  .track-time-label {
    order: 3;
    flex: 1;
    text-align: left;
  }
  .track-volume-box {
    order: 4;
  }
  .volume-slider {
    width: 50px;
  }
  .vote-btn {
    flex: 1;
    text-align: center;
  }
}