/* ══════════════════════════════════════════════════════════════
   CrimeTwin — Forensic Dark Theme
   ══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary:    #0b0d10;
  --bg-surface:    #12151a;
  --bg-elevated:   #1a1e26;
  --bg-overlay:    rgba(11, 13, 16, 0.92);
  --border:        #2a2f3a;
  --border-active: #4CC2FF;

  --text-primary:  #e8eaed;
  --text-secondary:#8b8d98;
  --text-muted:    #565869;

  --accent:        #4CC2FF;
  --accent-dim:    rgba(76, 194, 255, 0.15);

  --red:           #E5484D;
  --green:         #30A46C;
  --yellow:        #F5D90A;
  --blue:          #0091FF;
  --purple:        #8E4EC6;
  --grey:          #8B8D98;

  --radius:        8px;
  --radius-lg:     12px;
  --font:          'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:          'JetBrains Mono', 'Fira Code', monospace;
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow: hidden;
}

/* ── HUD (desktop 2D overlay) ──────────────────────────────── */

#hud {
  position: fixed;
  top: 0; left: 0;
  width: 360px;
  height: 100vh;
  background: var(--bg-overlay);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s ease;
}

#hud.hidden {
  transform: translateX(-100%);
}

/* Header */
.hud-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.hud-header h1 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.hud-header .case-title {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
}

.hud-header .case-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-badge.active {
  background: rgba(48, 164, 108, 0.15);
  color: var(--green);
}

.status-badge.active::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Scrollable body */
.hud-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.hud-body::-webkit-scrollbar { width: 4px; }
.hud-body::-webkit-scrollbar-track { background: transparent; }
.hud-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Sections */
.hud-section {
  border-bottom: 1px solid var(--border);
}

.hud-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.hud-section-header:hover {
  color: var(--text-secondary);
}

.hud-section-header .count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
}

/* Evidence list */
.evidence-list {
  padding: 0 12px 12px;
}

.evidence-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s ease;
  position: relative;
}

.evidence-item:hover {
  background: var(--bg-elevated);
}

.evidence-item.selected {
  background: var(--accent-dim);
  border: 1px solid rgba(76, 194, 255, 0.3);
}

.evidence-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.evidence-icon.weapon     { background: rgba(229, 72, 77, 0.2); color: var(--red); }
.evidence-icon.biological { background: rgba(48, 164, 108, 0.2); color: var(--green); }
.evidence-icon.trace      { background: rgba(245, 217, 10, 0.2); color: var(--yellow); }
.evidence-icon.electronics{ background: rgba(0, 145, 255, 0.2); color: var(--blue); }
.evidence-icon.document   { background: rgba(142, 78, 198, 0.2); color: var(--purple); }
.evidence-icon.unknown    { background: rgba(139, 141, 152, 0.2); color: var(--grey); }

.evidence-info {
  flex: 1;
  min-width: 0;
}

.evidence-info .label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.evidence-info .id-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
}

.priority-tag {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 4px;
}

.priority-tag.high   { background: rgba(229, 72, 77, 0.15); color: var(--red); }
.priority-tag.medium { background: rgba(245, 217, 10, 0.12); color: var(--yellow); }
.priority-tag.low    { background: rgba(139, 141, 152, 0.15); color: var(--grey); }

/* Detail panel */
.detail-panel {
  padding: 20px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  display: none;
}

.detail-panel.visible { display: block; }

.detail-panel h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  font-size: 12px;
}

.detail-row .key {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.detail-row .value {
  color: var(--text-primary);
  text-align: right;
  max-width: 200px;
}

.detail-description {
  margin-top: 10px;
  padding: 10px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* AI Panel */
.ai-panel {
  padding: 16px 20px;
}

.ai-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ai-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ai-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.ai-btn.loading {
  opacity: 0.6;
  pointer-events: none;
}

.ai-btn .icon {
  font-size: 16px;
}

.ai-result {
  margin-top: 12px;
  padding: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

.ai-result.visible { display: block; }

.ai-result h4 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 8px;
}

/* Timeline panel */
.timeline-list {
  padding: 0 20px 16px;
}

.timeline-entry {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  position: relative;
}

.timeline-entry::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 28px;
  bottom: -8px;
  width: 1px;
  background: var(--border);
}

.timeline-entry:last-child::before { display: none; }

.timeline-time {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  width: 42px;
  flex-shrink: 0;
  padding-top: 2px;
}

.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-primary);
  flex-shrink: 0;
  margin-top: 5px;
}

.timeline-content {
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.5;
}

.timeline-source {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Timeline scrubber */
.timeline-scrubber {
  padding: 8px 20px 16px;
}

.scrubber-track {
  position: relative;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  cursor: pointer;
}

.scrubber-fill {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.1s ease;
}

.scrubber-thumb {
  position: absolute;
  top: 50%;
  width: 16px; height: 16px;
  background: var(--accent);
  border: 2px solid var(--bg-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  cursor: grab;
  box-shadow: 0 0 8px rgba(76, 194, 255, 0.4);
}

.scrubber-label {
  text-align: center;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin-top: 8px;
  font-weight: 500;
}

/* Measurements */
.measurement-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  font-size: 12px;
}

.measurement-item .value {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--accent);
}

/* Toolbar buttons at bottom */
.hud-toolbar {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.tool-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tool-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.tool-btn.active {
  background: rgba(76, 194, 255, 0.2);
  border-color: var(--accent);
  color: var(--accent);
}

.tool-btn .icon { font-size: 16px; }

/* Toggle HUD button */
#toggle-hud {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  width: 40px; height: 40px;
  background: var(--bg-overlay);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

#toggle-hud:hover { border-color: var(--accent); }
#toggle-hud.shifted { left: 376px; }

/* Notification toast */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-primary);
  z-index: 300;
  transform: translateY(-20px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Collected badge */
.collected-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
}

/* Loading spinner */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── A-Frame overrides ──────────────────────────────────── */
.a-enter-vr-button {
  background: var(--accent) !important;
  border-radius: var(--radius) !important;
  font-family: var(--font) !important;
}

a-scene {
  position: fixed !important;
  top: 0; left: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: 0 !important;
}

.a-canvas {
  z-index: 0 !important;
}

/* Ensure HUD and toggle stay above the A-Frame canvas */
#hud, #toggle-hud, #toast {
  z-index: 9999 !important;
}