/* ===========================
   HUD, Dock, Panels & Controls
   =========================== */

/* ========== Event Header ========== */
#event-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 36px;
  background: linear-gradient(to bottom, rgba(6, 8, 15, 0.92) 0%, transparent 100%);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.header-brand .brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.6);
  animation: pulse 2s ease-in-out infinite;
}

.header-brand .brand-separator {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 4px;
}

.header-brand .brand-subtitle {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Mode Badge */
.mode-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.mode-badge.autopilot {
  background: rgba(var(--accent-rgb), 0.1);
  border-color: rgba(var(--accent-rgb), 0.2);
  color: var(--accent);
}

.mode-badge .mode-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.mode-badge.autopilot .mode-dot {
  animation: pulse 1.5s ease-in-out infinite;
}

/* Live Clock */
.live-clock {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}


/* ========== Project Info Panel (Left) ========== */
#project-info {
  position: relative;
  z-index: var(--z-hud);
  width: 330px;
  min-width: 290px;
  max-width: 350px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 28, 0.72);
  backdrop-filter: blur(30px) saturate(1.5);
  -webkit-backdrop-filter: blur(30px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  transition: opacity 350ms ease, transform 350ms var(--ease-out-expo), border-color var(--transition-normal);
}

.project-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: rgba(var(--accent-rgb), 0.12);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  width: fit-content;
  transition: background var(--transition-normal), border-color var(--transition-normal), color var(--transition-normal);
}

.project-number {
  font-family: var(--font-display);
  font-size: 3.8rem;
  font-weight: 900;
  color: rgba(var(--accent-rgb), 0.09);
  line-height: 1;
  margin-bottom: -18px;
  letter-spacing: -0.02em;
  transition: color var(--transition-normal);
  user-select: none;
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.project-description {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.6;
  text-align: left;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.project-tag {
  padding: 3px 9px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.project-features {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.feature-icon {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}


/* ========== QR Panel (Right) ========== */
#qr-panel {
  position: relative;
  z-index: var(--z-hud);
  width: 200px;
  min-width: 180px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  transition: opacity 400ms ease;
}

.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 28, 0.72);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.qr-card .qr-title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.qr-card .qr-image {
  width: 130px;
  height: 130px;
  border-radius: var(--radius-md);
  background: white;
  padding: 6px;
  object-fit: contain;
}

.qr-card .qr-label {
  font-size: var(--text-xs);
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-normal);
}

.qr-url {
  font-size: 10.5px;
  color: var(--text-muted);
  word-break: break-all;
  text-align: center;
  max-width: 130px;
}


/* ========== Autopilot Timer Ring ========== */
.autopilot-timer {
  position: relative;
  width: 76px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timer-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.05);
  stroke-width: 3;
}

.timer-ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke var(--transition-normal);
  filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), 0.35));
}

.timer-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.timer-label {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}


/* ========== Bottom Dock Navigation ========== */
#dock {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-dock);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-xl);
  background: rgba(10, 14, 30, 0.78);
  backdrop-filter: blur(30px) saturate(1.5);
  -webkit-backdrop-filter: blur(30px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
  animation: fadeInUp 800ms var(--ease-out-expo) both;
  animation-delay: 500ms;
}

.dock-item {
  position: relative;
  width: 66px;
  height: 44px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
  opacity: 0.45;
}

.dock-item:hover {
  opacity: 0.8;
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.15);
}

.dock-item.active {
  opacity: 1;
  border-color: var(--accent);
  box-shadow: 0 0 22px rgba(var(--accent-rgb), 0.3);
  transform: translateY(-5px) scale(1.08);
}

.dock-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.dock-item .dock-number {
  position: absolute;
  top: 3px;
  left: 5px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: white;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

.dock-item .dock-indicator {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.dock-item.active .dock-indicator {
  opacity: 1;
}

/* Divider between groups */
.dock-divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.07);
  margin: 0 5px;
}


/* ========== Mode Controls (Bottom Right) ========== */
#controls {
  position: fixed;
  bottom: 26px;
  right: 36px;
  z-index: var(--z-controls);
  display: flex;
  gap: 8px;
  animation: fadeIn 800ms var(--ease-out-expo) both;
  animation-delay: 600ms;
}

.control-btn {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
}

.control-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.control-btn.active {
  background: rgba(var(--accent-rgb), 0.14);
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.3);
}


/* ========== Project Counter (Bottom Left) ========== */
.project-counter {
  position: fixed;
  bottom: 32px;
  left: 36px;
  z-index: var(--z-controls);
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-family: var(--font-display);
  animation: fadeIn 800ms var(--ease-out-expo) both;
  animation-delay: 500ms;
}

.counter-current {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--accent);
  transition: color var(--transition-normal);
}

.counter-separator {
  font-size: var(--text-base);
  color: var(--text-muted);
  margin: 0 2px;
}

.counter-total {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-muted);
}


/* ========== Transition Overlay ========== */
#transition-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--bg-primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

#transition-overlay.active {
  opacity: 1;
}


/* ========== Keyboard Hint Toast ========== */
#keyboard-hint {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: var(--z-controls);
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 30, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 400ms ease, transform 400ms var(--ease-out-expo);
  pointer-events: none;
}

#keyboard-hint.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#keyboard-hint kbd {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 2px;
}


/* ========== Big-Screen Responsive ========== */
@media (min-width: 2560px) {
  #stage {
    padding: 90px 60px 120px;
    gap: 48px;
  }
  #project-info {
    width: 440px;
    min-width: 400px;
    max-width: 480px;
    padding: 36px 32px;
    gap: 18px;
  }
  .project-title {
    font-size: var(--text-3xl);
  }
  .project-number {
    font-size: 5rem;
  }
  .project-description {
    font-size: var(--text-base);
  }
  #qr-panel {
    width: 250px;
    min-width: 230px;
  }
  .qr-card {
    padding: 24px;
  }
  .qr-card .qr-image {
    width: 170px;
    height: 170px;
  }
  .dock-item {
    width: 80px;
    height: 54px;
  }
  #event-header {
    padding: 24px 52px;
  }
  .header-brand {
    font-size: var(--text-xl);
  }
}

@media (min-width: 3840px) {
  #stage {
    padding: 120px 80px 140px;
    gap: 64px;
  }
  #project-info {
    width: 580px;
    min-width: 520px;
    max-width: 640px;
    padding: 48px 40px;
    gap: 24px;
  }
  .project-title {
    font-size: var(--text-4xl);
  }
  .project-number {
    font-size: 6.5rem;
  }
  .project-description {
    font-size: var(--text-lg);
  }
  #qr-panel {
    width: 320px;
    min-width: 280px;
  }
  .qr-card {
    padding: 30px;
  }
  .qr-card .qr-image {
    width: 220px;
    height: 220px;
  }
  .dock-item {
    width: 96px;
    height: 64px;
  }
}