/* ============================================================================
 * Australia.md — 3D Australian Road Rules & 2026 Licence Test Game
 * High-Contrast Glassmorphism HUD & Responsive Layout
 * ============================================================================ */

:root {
  --bg-deep: #0b111e;
  --panel-bg: rgba(13, 21, 38, 0.88);
  --panel-border: rgba(148, 163, 184, 0.22);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-gold: #f59e0b;
  --accent-emerald: #10b981;
  --accent-danger: #ef4444;
  --accent-blue: #3b82f6;
  --nsw-color: #2563eb;
  --qld-color: #991b1b;
  --vic-color: #1e3a8a;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

/* 3D Canvas Viewport */
#canvas-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
}

/* Police / Camera Flash Overlay */
#flash-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.15s ease;
}

#flash-overlay.police-flash {
  animation: policeStrobe 0.45s ease-in-out 4;
}

@keyframes policeStrobe {
  0%, 100% { opacity: 0; background: transparent; }
  25% { opacity: 0.42; background: radial-gradient(circle, rgba(239,68,68,0.65) 0%, rgba(37,99,235,0.65) 100%); }
  75% { opacity: 0.42; background: radial-gradient(circle, rgba(37,99,235,0.65) 0%, rgba(239,68,68,0.65) 100%); }
}

/* Top Navigation & Telemetry HUD */
.hud-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: linear-gradient(180deg, rgba(8, 13, 26, 0.94) 0%, rgba(8, 13, 26, 0.65) 80%, transparent 100%);
  backdrop-filter: blur(8px);
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
}

.au-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-gold);
  color: #090d16;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  text-decoration: none;
}

.game-title-wrap h1 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
}

.game-title-wrap p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Language Switcher Pills */
.lang-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--panel-border);
  padding: 4px;
  border-radius: 999px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-sans);
}

.lang-btn:hover {
  color: var(--text-main);
}

.lang-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.45);
}

/* Telemetry Stats (State, Speed, Wallet, Demerits, Progress) */
.stats-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 6px 12px;
  border-radius: 10px;
  font-size: 0.82rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.state-tag {
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
}

.state-NSW { background: #1d4ed8; color: #fff; }
.state-QLD { background: #991b1b; color: #fff; }
.state-VIC { background: #1e40af; color: #facc15; border: 1px solid rgba(250, 204, 21, 0.4); }

.action-btn {
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.55);
  color: #fbbf24;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 7px 13px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-sans);
}

.action-btn:hover {
  background: var(--accent-gold);
  color: #090d16;
}

/* Dashboard Speedometer & Driving Status Banner (Bottom Left) */
.hud-bottom-left {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 12px 18px;
  border-radius: 14px;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.speed-dial {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 3px solid var(--accent-emerald);
  background: rgba(15, 23, 42, 0.9);
}

.speed-dial.paused {
  border-color: var(--accent-gold);
}

.speed-num {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

.speed-unit {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.drive-status-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.drive-status-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-emerald);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.drive-road-desc {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  max-width: 260px;
}

/* Camera & Filter Controls (Bottom Right) */
.hud-bottom-right {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.cam-btn {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 13px;
  border-radius: 10px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all 0.18s ease;
  font-family: var(--font-sans);
}

.cam-btn:hover, .cam-btn.active {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.22);
}

/* Interactive Scenario Decision Card (Right / Center-Right Overlay) */
.scenario-card {
  position: fixed;
  top: 84px;
  right: 24px;
  width: min(460px, calc(100vw - 32px));
  max-height: calc(100vh - 170px);
  overflow-y: auto;
  z-index: 15;
  background: var(--panel-bg);
  border: 1px solid rgba(148, 163, 184, 0.32);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  transform: translateX(0);
  opacity: 1;
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.28s ease;
}

.scenario-card.hidden {
  transform: translateX(40px);
  opacity: 0;
  pointer-events: none;
}

.scenario-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.scenario-step {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.scenario-title {
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 8px;
}

.scenario-prompt {
  font-size: 0.92rem;
  line-height: 1.55;
  color: #e2e8f0;
  margin-bottom: 14px;
  padding: 10px 12px;
  background: rgba(15, 23, 42, 0.65);
  border-left: 3px solid var(--accent-gold);
  border-radius: 6px;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.option-btn {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  text-align: left;
  background: rgba(30, 41, 59, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: var(--text-main);
  padding: 11px 13px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-sans);
}

.option-btn:hover:not(:disabled) {
  background: rgba(59, 130, 246, 0.22);
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.option-btn:disabled {
  cursor: default;
}

.option-btn.correct {
  background: rgba(16, 185, 129, 0.22);
  border-color: var(--accent-emerald);
}

.option-btn.wrong {
  background: rgba(239, 68, 68, 0.22);
  border-color: var(--accent-danger);
}

.opt-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.35);
  font-weight: 800;
  font-size: 0.76rem;
  color: var(--accent-gold);
  margin-top: 1px;
}

/* Feedback & Official Source Citation Box */
.feedback-box {
  margin-top: 14px;
  padding: 13px 14px;
  border-radius: 10px;
  font-size: 0.86rem;
  line-height: 1.55;
  display: none;
}

.feedback-box.visible {
  display: block;
}

.feedback-box.pass {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.45);
}

.feedback-box.fail {
  background: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.45);
}

.feedback-verdict {
  font-weight: 800;
  font-size: 0.92rem;
  margin-bottom: 5px;
}

.feedback-verdict.pass { color: #34d399; }
.feedback-verdict.fail { color: #f87171; }

.feedback-source {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.feedback-source a {
  color: #60a5fa;
  text-decoration: underline;
  font-weight: 600;
}

.next-btn {
  margin-top: 12px;
  width: 100%;
  background: var(--accent-emerald);
  color: #052e16;
  border: none;
  font-weight: 800;
  font-size: 0.9rem;
  padding: 11px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: filter 0.18s ease;
  font-family: var(--font-sans);
}

.next-btn:hover {
  filter: brightness(1.1);
}

/* Modal Drawer: 2026 Overseas Licence & Visa Calculator + End Summary */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(6, 10, 20, 0.78);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.hidden {
  display: none;
}

.modal-panel {
  width: min(760px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: #0f172a;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
}

.modal-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--panel-border);
}

.modal-top h2 {
  font-size: 1.2rem;
  font-weight: 800;
}

.close-btn {
  background: rgba(148, 163, 184, 0.15);
  border: none;
  color: var(--text-main);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  font-size: 1.1rem;
  cursor: pointer;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.calc-field label {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.calc-field select {
  width: 100%;
  background: #1e293b;
  color: var(--text-main);
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 9px 11px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-family: var(--font-sans);
}

.calc-result-card {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: 12px;
  padding: 16px;
}

.calc-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.calc-item {
  background: rgba(30, 41, 59, 0.65);
  padding: 11px 13px;
  border-radius: 9px;
  border-left: 3px solid var(--accent-blue);
}

.calc-item.warn {
  border-left-color: var(--accent-gold);
}

.calc-item.danger {
  border-left-color: var(--accent-danger);
}

.calc-item h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.calc-item p {
  font-size: 0.86rem;
  line-height: 1.45;
}

.okf-footer-note {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--panel-border);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.okf-footer-note a {
  color: #60a5fa;
}

@media (max-width: 768px) {
  .hud-top {
    padding: 10px 12px;
  }
  .scenario-card {
    top: auto;
    bottom: 84px;
    right: 12px;
    left: 12px;
    width: auto;
    max-height: 56vh;
  }
  .hud-bottom-left {
    bottom: 12px;
    left: 12px;
    padding: 8px 12px;
  }
  .speed-dial {
    width: 52px;
    height: 52px;
  }
  .speed-num {
    font-size: 1.05rem;
  }
}