/* ===== TOKENS ===== */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
  --radius-xl: 1rem; --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-body: 'General Sans', 'Inter', sans-serif;
  --font-display: 'Cabinet Grotesk', 'General Sans', sans-serif;
}

/* ===== DARK THEME (DEFAULT) ===== */
:root, [data-theme="dark"] {
  --color-bg:             #0c0b14;
  --color-surface:        #15141f;
  --color-surface-2:      #1c1b28;
  --color-surface-offset: #1a1926;
  --color-surface-hover:  #24233a;
  --color-divider:        #2a293d;
  --color-border:         #38365a;
  --color-text:           #e4e2f0;
  --color-text-muted:     #9593ac;
  --color-text-faint:     #5c5a72;
  --color-text-inverse:   #0c0b14;
  --color-primary:        #8b6cff;
  --color-primary-hover:  #a48bff;
  --color-primary-active: #7055e0;
  --color-primary-glow:   rgba(139, 108, 255, 0.15);
  --color-accent:         #ff6b8a;
  --color-accent-soft:    rgba(255, 107, 138, 0.12);
  --color-green:          #3dd68c;
  --color-orange:         #f5b050;
  --color-quadrant-al:    #8b6cff;
  --color-quadrant-ar:    #ff6b8a;
  --color-quadrant-ll:    #3dd68c;
  --color-quadrant-lr:    #f5b050;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 24px var(--color-primary-glow);
}

[data-theme="light"] {
  --color-bg:             #f0eef6;
  --color-surface:        #ffffff;
  --color-surface-2:      #f8f7fc;
  --color-surface-offset: #eae8f2;
  --color-surface-hover:  #e2e0ee;
  --color-divider:        #d6d3e4;
  --color-border:         #c4c1d6;
  --color-text:           #1c1a30;
  --color-text-muted:     #6e6b85;
  --color-text-faint:     #a5a2b8;
  --color-text-inverse:   #f0eef6;
  --color-primary:        #6246ea;
  --color-primary-hover:  #5038d0;
  --color-primary-active: #3f2bb8;
  --color-primary-glow:   rgba(98, 70, 234, 0.1);
  --color-accent:         #e44a6a;
  --color-accent-soft:    rgba(228, 74, 106, 0.08);
  --color-green:          #2e9e65;
  --color-orange:         #d4910e;
  --color-quadrant-al:    #6246ea;
  --color-quadrant-ar:    #e44a6a;
  --color-quadrant-ll:    #2e9e65;
  --color-quadrant-lr:    #d4910e;
  --shadow-sm: 0 1px 3px rgba(28,26,48,0.08);
  --shadow-md: 0 4px 16px rgba(28,26,48,0.1);
  --shadow-lg: 0 12px 40px rgba(28,26,48,0.14);
  --shadow-glow: 0 0 24px var(--color-primary-glow);
}

/* ===== LAYOUT ===== */
#app { min-height: 100dvh; }

.screen {
  display: none;
  min-height: 100dvh;
  padding: var(--space-6);
}

.screen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== MAIN MENU ===== */
.menu-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  max-width: 420px;
  width: 100%;
}

.menu-logo { color: var(--color-primary); filter: drop-shadow(0 0 16px var(--color-primary-glow)); }

.menu-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.menu-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-3));
}

.menu-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  margin-top: var(--space-4);
}

.menu-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  min-height: 52px;
}

.menu-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.menu-btn.play-btn {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  font-size: var(--text-base);
}

.menu-btn.play-btn:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-icon {
  font-size: 1.1em;
  width: 24px;
  text-align: center;
}

.menu-footer {
  margin-top: var(--space-4);
}

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* ===== MODE SELECT ===== */
.panel {
  max-width: 560px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.back-btn {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  align-self: flex-start;
  padding: var(--space-1) 0;
}
.back-btn:hover { color: var(--color-primary); }

.panel-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.panel-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-3));
}

.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: left;
  min-height: 160px;
}

.mode-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.mode-emoji { font-size: 1.75rem; }
.mode-name { font-size: var(--text-base); font-weight: 700; color: var(--color-text); }
.mode-desc { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.4; }

.mode-difficulty {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-top: auto;
}

/* ===== SETTINGS ===== */
.setting-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
}

.setting-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.setting-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.slider-row { display: flex; align-items: center; gap: var(--space-4); }

.slider {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  outline: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.slider-val {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  min-width: 32px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.select-input {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.toggle-desc { font-size: var(--text-xs); color: var(--color-text-muted); flex: 1; }

.toggle { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; bottom: 3px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--color-primary-glow); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); background: var(--color-primary); }

/* ===== ABOUT ===== */
.about-content { display: flex; flex-direction: column; gap: var(--space-5); }
.about-block h3 { font-size: var(--text-sm); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-1); }
.about-block p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

/* ===== QUIZ ===== */
.quiz-container {
  max-width: 600px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.quiz-header { display: flex; align-items: center; gap: var(--space-4); }

.quit-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.quit-btn:hover { color: var(--color-accent); border-color: var(--color-accent); }

.progress-bar {
  flex: 1; height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  width: 5%;
}

.progress-text {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.question-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.topic-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.topic-tag.hidden { display: none; }

.question-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.options { display: flex; flex-direction: column; gap: var(--space-3); }

.option-btn {
  width: 100%;
  text-align: left;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 52px;
  line-height: 1.4;
}

@media (hover: hover) {
  .option-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-surface-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-glow);
  }
}

.option-btn:active {
  transform: translateX(4px) scale(0.98);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* Prevent focus ring from persisting between questions */
.option-btn:focus {
  outline: none;
}

/* Prevent hover highlight from persisting during question transitions */
.no-hover .option-btn,
.no-hover .option-btn:hover {
  pointer-events: none;
  border-color: var(--color-border) !important;
  background: var(--color-surface) !important;
  transform: none !important;
  box-shadow: none !important;
}

.option-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Option wrapper for info button layout */
.option-wrapper {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.option-wrapper .option-btn {
  flex: 1;
  min-width: 0;
}

/* ===== INFO / CLARIFICATION BUTTONS ===== */
.info-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-interactive);
}

.info-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
}

.question-info-btn {
  flex-shrink: 0;
  margin-top: var(--space-1);
}

.question-with-info {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.question-with-info .question-text {
  flex: 1;
}

/* Tooltips */
.info-tooltip {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  line-height: 1.5;
  animation: tooltipIn 0.2s ease;
}

.info-tooltip.open {
  display: block;
}

.question-tooltip {
  margin-top: calc(-1 * var(--space-2));
  margin-bottom: var(--space-1);
}

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

/* ===== BACK QUESTION BUTTON ===== */
.back-question-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-interactive);
}

.back-question-btn:hover:not(:disabled) {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.back-question-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 100;
  align-items: center; justify-content: center;
  padding: var(--space-6);
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 360px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-lg);
}

.modal h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.modal p { font-size: var(--text-sm); color: var(--color-text-muted); }
.modal-actions { display: flex; gap: var(--space-3); justify-content: center; margin-top: var(--space-2); }

/* ===== RESULT ===== */
.result-container {
  max-width: 600px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

#result.active { justify-content: flex-start; padding-top: var(--space-10); }

.result-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
}

.compass-wrapper {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
}

.compass-wrapper canvas { width: 100%; height: 100%; }

.axis-labels { position: absolute; inset: 0; pointer-events: none; }

.axis-label {
  position: absolute;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.axis-label.top    { top: 0; left: 50%; transform: translateX(-50%); }
.axis-label.bottom { bottom: 0; left: 50%; transform: translateX(-50%); }
.axis-label.left   { left: 0; top: 50%; transform: translateY(-50%); writing-mode: vertical-rl; rotate: 180deg; }
.axis-label.right  { right: 0; top: 50%; transform: translateY(-50%); writing-mode: vertical-rl; }

/* Profile card */
.profile-card {
  width: 100%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.profile-card .profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.profile-card .profile-emoji { font-size: 2.5rem; }

.profile-card .profile-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.profile-card .profile-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.profile-card .profile-section {
  margin-bottom: var(--space-5);
}

.profile-card .profile-section:last-child { margin-bottom: 0; }

.profile-card .section-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.profile-card .section-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.profile-card .famous-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
}

.profile-card .famous-list li {
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-primary-glow);
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* Topic breakdown */
.topic-details {
  width: 100%;
}

.topic-toggle {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-3) 0;
  text-align: center;
  list-style: none;
}

.topic-toggle::-webkit-details-marker { display: none; }
.topic-toggle::before { content: '▸ '; }
details[open] .topic-toggle::before { content: '▾ '; }
.topic-toggle:hover { color: var(--color-primary); }

.topic-scores {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-4);
}

.topic-row { display: flex; flex-direction: column; gap: var(--space-1); }
.topic-row-header { display: flex; justify-content: space-between; align-items: center; }
.topic-name { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.topic-value { font-size: var(--text-xs); color: var(--color-text-muted); }

.topic-bar {
  height: 8px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.topic-bar-center {
  position: absolute;
  left: 50%; top: 0;
  width: 2px; height: 100%;
  background: var(--color-border);
}

.topic-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Result actions */
.result-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* ===== BUTTONS ===== */
.btn-primary {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-lg);
  min-height: 48px;
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-glow); }
.btn-primary:active { background: var(--color-primary-active); transform: translateY(0); }

.btn-secondary {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-lg);
  min-height: 48px;
  border: 1.5px solid transparent;
}
.btn-secondary:hover { border-color: var(--color-primary); transform: translateY(-1px); }

.btn-danger {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  min-height: 44px;
}
.btn-danger:hover { opacity: 0.9; }

/* ===== RESPONSIVE ===== */
@media (max-width: 520px) {
  .screen { padding: var(--space-4); }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card { min-height: auto; }
  .compass-wrapper { max-width: 320px; }
  .axis-label { font-size: 0.6rem; }
  .result-actions { flex-direction: column; width: 100%; }
  .result-actions .btn-primary,
  .result-actions .btn-secondary { width: 100%; }
  .profile-card { padding: var(--space-4); }
  .info-btn { width: 28px; height: 28px; min-width: 28px; }
}