/**
 * Utility Seva — Advanced Gamified Typing Speed Test
 * Modern Glassmorphic Multi-Phase Stylesheet
 * 100% Client-Side Local Processing
 */

/* ============================================================================
   1. COLOR TOKENS & APPLICATION THEME
   ============================================================================ */
:root {
  --primary-color: #ea580c; /* High-energy Orange */
  --primary-color-hover: #c2410c;
  --primary-light: rgba(234, 88, 12, 0.08);
  --primary-glow: rgba(234, 88, 12, 0.28);
  --game-accent: #8b5cf6; /* Cyber Purple */
  --game-accent-glow: rgba(139, 92, 246, 0.3);
  --neon-cyan: #06b6d4;
  --neon-emerald: #10b981;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(226, 232, 240, 0.8);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"],
.dark {
  --primary-color: #fb923c;
  --primary-color-hover: #f97316;
  --primary-light: rgba(251, 146, 60, 0.12);
  --primary-glow: rgba(251, 146, 60, 0.32);
  --game-accent: #a78bfa;
  --game-accent-glow: rgba(167, 139, 250, 0.35);
  --neon-cyan: #22d3ee;
  --neon-emerald: #34d399;
  --glass-bg: rgba(23, 27, 38, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

/* Screen Shake Animation on Error */
.screen-shake {
  animation: visualShake 0.22s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes visualShake {
  10%, 90% { transform: translate3d(-1.5px, 0, 0); }
  20%, 80% { transform: translate3d(2.5px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-3.5px, 0, 0); }
  40%, 60% { transform: translate3d(3.5px, 0, 0); }
}

/* ============================================================================
   2. APP PHASES ARCHITECTURE & STEPPER
   ============================================================================ */
.app-phase-card {
  display: none;
  opacity: 0;
  transition: opacity 0.22s ease-in-out;
}

.app-phase-card.active-phase {
  display: block;
  opacity: 1;
  animation: fadeInPhase 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInPhase {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Glass Card Container */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.35rem 1.6rem;
  box-shadow: var(--glass-shadow);
  margin-bottom: 1.5rem;
}

.glass-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--glass-border);
}

.phase-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary-color);
  background: var(--primary-light);
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  margin-bottom: 0.35rem;
}

.phase-heading {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.015em;
}

.phase-subtext {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.45;
}

/* Stepper Bar */
.typing-stepper-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 0.5rem 1rem;
  margin-bottom: 1.25rem;
}

.stepper-track {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stepper-step {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: none;
  border: none;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.stepper-step.active {
  color: var(--primary-color);
  background: var(--primary-light);
}

.stepper-step.completed {
  color: var(--success-color);
}

.stepper-step:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--bg-surface-alt);
  border: 1px solid currentColor;
}

.stepper-step.active .step-num {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.stepper-divider {
  width: 18px;
  height: 2px;
  background: var(--border-color);
  border-radius: 2px;
}

.stepper-quick-stats {
  display: flex;
  gap: 0.45rem;
}

.quick-stat-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

/* Audio Switch Button */
.audio-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.audio-switch-btn.active {
  color: var(--primary-color);
  border-color: var(--primary-color);
  background: var(--primary-light);
}

/* ============================================================================
   3. PHASE 1: CONFIGURATION SCREEN STYLING
   ============================================================================ */
.config-section-block {
  margin-bottom: 1.25rem;
}

.config-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.65rem 0;
}

.title-step-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: var(--primary-color);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
}

/* Major Mode Grid (Exam Practice vs Game Mode) */
.major-mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.major-mode-card {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: var(--bg-surface-alt);
  border: 2px solid var(--border-color);
  border-radius: 11px;
  padding: 1rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
  position: relative;
}

.major-mode-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.major-mode-card.selected {
  border-color: var(--primary-color);
  background: var(--primary-light);
  box-shadow: 0 0 0 1px var(--primary-color), 0 8px 24px var(--primary-glow);
}

.major-mode-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px var(--primary-glow);
}

.major-mode-icon svg {
  width: 22px;
  height: 22px;
}

.major-mode-icon.game-accent {
  background: rgba(139, 92, 246, 0.12);
  color: var(--game-accent);
  box-shadow: inset 0 0 0 1px var(--game-accent-glow);
}

.major-mode-details {
  flex: 1;
}

.major-mode-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.major-mode-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
}

.mode-badge-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.major-mode-card.selected .mode-badge-tag {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.mode-badge-tag.game-tag {
  color: var(--game-accent);
}

.major-mode-card.selected .mode-badge-tag.game-tag {
  background: var(--game-accent);
  color: #fff;
  border-color: var(--game-accent);
}

.major-mode-desc {
  font-size: 0.74rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

/* Sub-Game Selection Grid */
.sub-game-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem;
}

.sub-game-pill {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.18s ease;
  outline: none;
}

.sub-game-pill:hover {
  border-color: var(--game-accent);
  transform: translateY(-1px);
}

.sub-game-pill.selected {
  border-color: var(--game-accent);
  background: rgba(139, 92, 246, 0.1);
  box-shadow: 0 0 0 1px var(--game-accent);
}

.sub-game-top {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.25rem;
}

.sub-game-emoji {
  font-size: 1.15rem;
}

.sub-game-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
}

.sub-game-desc {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.35;
  margin: 0;
}

/* Options Pill Rows (Language, Category, Difficulty, Duration) */
.options-pills-row {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.option-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-surface-alt);
  border: 1.5px solid var(--border-color);
  border-radius: 7px;
  padding: 0.45rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
  outline: none;
}

.option-pill-btn:hover {
  border-color: var(--primary-color);
  background: var(--bg-surface);
}

.option-pill-btn.selected {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
  box-shadow: 0 2px 8px var(--primary-glow);
}

.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
}

.option-pill-btn.selected .pill-dot {
  background: #fff;
}

.config-two-col-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.config-sub-col {
  display: flex;
  flex-direction: column;
}

/* Custom Duration Reveal Box */
.custom-duration-wrap {
  margin-top: 0.75rem;
  padding: 0.75rem 0.9rem;
  background: var(--bg-surface-alt);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  animation: fadeIn 0.2s ease-out;
}

.custom-dur-inner {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.custom-dur-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.custom-dur-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.custom-minutes-input {
  width: 80px;
  padding: 0.35rem 0.6rem;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color 0.15s ease;
}

.custom-minutes-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.custom-dur-unit {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.btn-apply-custom-dur {
  padding: 0.35rem 0.75rem;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-apply-custom-dur:hover {
  background: var(--primary-hover);
}

.custom-dur-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Configuration Footer Bar */
.glass-footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.1rem;
  margin-top: 1.25rem;
  border-top: 1px solid var(--glass-border);
  flex-wrap: wrap;
}

.selection-summary-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.summary-lbl {
  color: var(--text-muted);
  font-weight: 500;
}

.summary-highlight-pill {
  font-weight: 700;
  color: var(--primary-color);
  background: var(--primary-light);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--primary-glow);
}

.btn-start-launch {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: linear-gradient(135deg, var(--primary-color), #f97316);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.65rem 1.4rem;
  border-radius: 9px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-start-launch:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
  filter: brightness(1.05);
}

/* ============================================================================
   4. PHASE 2: TYPING INTERFACE (ARENA)
   ============================================================================ */
.arena-mode-block {
  max-width: 960px;
  margin: 0 auto;
}

/* Arena Glass HUD */
.arena-hud-glass {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 12px 12px 0 0;
  padding: 0.65rem 1.1rem;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.hud-left-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-surface-alt);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-emerald);
}

.live-dot.pulse {
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
  animation: pulseDot 1.6s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.65; }
}

.hud-stats-group {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.hud-stat-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hud-tile-label {
  font-size: 0.64rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.hud-tile-num {
  font-size: 1.15rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  line-height: 1.15;
}

.hud-tile-num.accent-num {
  color: var(--primary-color);
}

.hud-tile-num.error-num {
  color: var(--danger-color, #ef4444);
}

.hud-tile-num.timer-num {
  color: var(--neon-cyan);
}

.hud-actions-group {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.hud-btn:hover {
  background: var(--border-color);
}

.hud-btn.btn-exit:hover {
  border-color: var(--danger-color);
  color: var(--danger-color);
  background: rgba(239, 68, 68, 0.1);
}

/* Progress Track */
.hud-progress-track {
  height: 4px;
  background: var(--bg-surface-alt);
  width: 100%;
  overflow: hidden;
  border-left: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
}

.hud-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), #f97316);
  transition: width 0.18s linear;
}

/* Exam Workspace Card */
.exam-workspace-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 1.5rem;
  box-shadow: var(--glass-shadow);
  position: relative;
}

.passage-display-box {
  min-height: 190px;
  max-height: 260px;
  overflow-y: auto;
  background: var(--bg-surface-alt);
  border: 1.5px solid var(--border-color);
  border-radius: 9px;
  padding: 1.25rem 1.4rem;
  line-height: 2.1;
  letter-spacing: 0.015em;
  font-family: inherit;
  cursor: text;
  outline: none;
  position: relative;
  user-select: none;
  transition: border-color 0.18s ease;
}

.passage-display-box:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.typing-capture-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  cursor: text;
  z-index: 2;
}

.passage-words-wrap {
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.45em;
  row-gap: 0.25em;
}

.type-word {
  display: inline-flex;
  border-radius: 3px;
  transition: background 0.1s ease;
  position: relative;
}

.type-word.current {
  background: var(--primary-light);
  border-radius: 4px;
}

.type-char {
  position: relative;
  color: var(--text-muted);
  transition: color 0.08s ease;
}

.type-char.cursor-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12%;
  bottom: 12%;
  width: 2.5px;
  background: var(--primary-color);
  border-radius: 2px;
  animation: blinkCursor 1s infinite;
  box-shadow: 0 0 6px var(--primary-color);
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.type-char.correct {
  color: var(--neon-emerald);
  font-weight: 600;
}

.type-char.incorrect {
  color: var(--danger-color, #ef4444);
  background: rgba(239, 68, 68, 0.2);
  border-radius: 2px;
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.arena-footer-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.85rem;
  font-size: 0.76rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.keyboard-shortcut-hint kbd {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.7rem;
}

/* Virtual Keyboard */
.virtual-keyboard-wrap {
  margin-top: 1.25rem;
  padding: 0.85rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  user-select: none;
}

.keyboard-row {
  display: flex;
  justify-content: center;
  gap: 0.3rem;
}

.key-cap {
  height: 32px;
  min-width: 30px;
  padding: 0 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.key-cap.finger-pinky { border-bottom: 2.5px solid #f43f5e; }
.key-cap.finger-ring { border-bottom: 2.5px solid #f59e0b; }
.key-cap.finger-middle { border-bottom: 2.5px solid #3b82f6; }
.key-cap.finger-index { border-bottom: 2.5px solid #10b981; }
.key-cap.finger-thumb { border-bottom: 2.5px solid #8b5cf6; min-width: 180px; }

/* ============================================================================
   5. GAME MODE CANVAS ARENAS (Word Invaders & Typing Racer)
   ============================================================================ */
.invaders-hud,
.racer-hud {
  border-color: rgba(139, 92, 246, 0.3);
}

.game-tag-badge {
  font-weight: 800;
  color: var(--game-accent);
}

.game-canvas-container,
.racer-canvas-container {
  position: relative;
  background: #090b10;
  border-left: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
  overflow: hidden;
}

.game-canvas {
  width: 100%;
  height: 420px;
  display: block;
}

.racer-canvas {
  width: 100%;
  height: 240px;
  display: block;
}

/* Word Invaders Focused Typing Bar */
.game-input-overlay-bar {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 0.85rem 1.25rem;
  box-shadow: var(--glass-shadow);
}

.game-input-shell {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--bg-surface-alt);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  transition: all 0.18s ease;
}

.game-input-shell:focus-within {
  border-color: var(--game-accent);
  box-shadow: 0 0 0 3px var(--game-accent-glow);
}

.laser-reticle-icon {
  font-size: 1.15rem;
}

.game-typing-input {
  flex: 1;
  background: none;
  border: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  outline: none;
}

.combo-multiplier-pill {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--game-accent), #ec4899);
  color: #fff;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  box-shadow: 0 2px 8px var(--game-accent-glow);
}

/* Typing Racer Text Strip Below Track */
.racer-text-strip-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 1.25rem;
  box-shadow: var(--glass-shadow);
}

.racer-passage-box {
  min-height: 110px;
  max-height: 150px;
  overflow-y: auto;
  background: var(--bg-surface-alt);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  line-height: 2;
  letter-spacing: 0.015em;
  outline: none;
  position: relative;
  user-select: none;
}

.racer-passage-box:focus-within {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.25);
}

.racer-status-sub {
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ============================================================================
   6. PHASE 3: RESULTS DASHBOARD & CANVAS LINE CHART
   ============================================================================ */
.result-card-glass {
  border-color: var(--primary-glow);
}

.result-tag {
  color: var(--success-color);
  background: rgba(16, 185, 129, 0.12);
}

.result-grade-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--primary-light);
  border: 1.5px solid var(--primary-color);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
}

.grade-icon {
  font-size: 1.1rem;
}

.grade-title {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary-color);
  letter-spacing: 0.04em;
}

/* Hero Metrics Grid */
.result-hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.result-hero-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 11px;
  padding: 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.result-hero-box.primary-highlight {
  background: var(--primary-light);
  border-color: var(--primary-color);
  box-shadow: 0 4px 16px var(--primary-glow);
}

.hero-lbl {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.hero-val {
  font-size: 2rem;
  font-weight: 900;
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.result-hero-box.primary-highlight .hero-val {
  color: var(--primary-color);
}

.hero-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Secondary Detail Grid */
.result-detail-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.detail-cell {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.65rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cell-label {
  font-size: 0.64rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.cell-val {
  font-size: 1.05rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
}

.cell-val.success { color: var(--neon-emerald); }
.cell-val.danger { color: var(--danger-color, #ef4444); }

/* Canvas Chart Box */
.chart-canvas-wrapper-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 11px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.chart-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.chart-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
}

.chart-sub-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.canvas-responsive-container {
  width: 100%;
  overflow-x: auto;
}

.wpm-line-canvas {
  width: 100%;
  height: 200px;
  display: block;
}

/* Mistyped Analysis */
.mistyped-analysis-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 11px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.mistyped-pills-wrap {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  max-height: 120px;
  overflow-y: auto;
}

.mistyped-word-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.25rem 0.55rem;
  font-size: 0.78rem;
}

.mistyped-word-tag .exp {
  color: var(--neon-emerald);
  font-weight: 700;
}

.mistyped-word-tag .act {
  color: var(--danger-color);
  text-decoration: line-through;
  font-weight: 500;
}

.btn-retry-mistyped {
  background: var(--primary-light);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-retry-mistyped:hover {
  background: var(--primary-color);
  color: #fff;
}

/* Result Action Buttons */
.result-actions-bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
}

.btn-result-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn-result-action:hover {
  border-color: var(--text-muted);
  background: var(--border-color);
}

.btn-result-action.primary-btn {
  background: linear-gradient(135deg, var(--primary-color), #f97316);
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-result-action.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px var(--primary-glow);
  filter: brightness(1.05);
}

/* Toast */
.copy-feedback-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--text-primary);
  color: var(--bg-surface);
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  z-index: 1000;
}

/* ============================================================================
   7. EDUCATIONAL GUIDE & SVG CONSTRAINTS
   ============================================================================ */
.educational-guide-section {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.guide-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.guide-card {
  background: var(--glass-card-bg);
  border: 1px solid var(--glass-card-border);
  border-radius: var(--card-radius);
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.guide-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.guide-badge-emoji {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary-light);
  font-size: 1rem;
  flex-shrink: 0;
}

.guide-card-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.guide-card p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Strict icon sizing rules to eliminate broken massive SVGs */
.guide-icon {
  display: none !important;
}

svg {
  box-sizing: border-box;
  max-width: 100%;
}

/* ============================================================================
   8. RESPONSIVENESS (1366x768 & Mobile)
   ============================================================================ */
@media (max-width: 1024px) {
  .result-hero-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .result-detail-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .guide-grid-3col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .major-mode-grid,
  .sub-game-grid,
  .config-two-col-row {
    grid-template-columns: 1fr;
  }
  .result-hero-metrics-grid {
    grid-template-columns: 1fr;
  }
  .result-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .typing-stepper-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}