/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1;
  text-align: center;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-ai-electric);
  color: #ffffff;
  border-color: var(--color-ai-electric);
  box-shadow: 0 4px 14px 0 rgba(0, 98, 255, 0.35);
}

.btn-primary:hover {
  background: #0052d9;
  border-color: #0052d9;
  box-shadow: 0 6px 20px 0 rgba(0, 98, 255, 0.5);
  transform: translateY(-1px);
}

.btn-glow {
  position: relative;
  background: linear-gradient(135deg, #0062ff 0%, #4f46e5 100%);
  color: #ffffff;
  box-shadow: 0 0 20px -2px rgba(0, 98, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-glow:hover {
  box-shadow: 0 0 30px 2px rgba(0, 98, 255, 0.7);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-surface-secondary);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-surface-tertiary);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--color-ai-electric);
  color: var(--color-ai-electric);
  background: rgba(0, 98, 255, 0.04);
}

.btn-bracket {
  background: var(--bg-surface-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  position: relative;
  font-family: var(--font-brand-en);
}

.btn-bracket::before {
  content: "[";
  margin-right: 0.35rem;
  color: var(--color-ai-electric);
  font-weight: 700;
  transition: transform var(--transition-fast);
}

.btn-bracket::after {
  content: "]";
  margin-left: 0.35rem;
  color: var(--color-ai-electric);
  font-weight: 700;
  transition: transform var(--transition-fast);
}

.btn-bracket:hover::before {
  transform: translateX(-2px);
}

.btn-bracket:hover::after {
  transform: translateX(2px);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-lg);
}

/* --- Badges & Tags --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.badge-ai {
  background: rgba(0, 98, 255, 0.1);
  color: var(--color-ai-electric);
  border: 1px solid rgba(0, 98, 255, 0.25);
}

.badge-ax {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-ax-violet-500);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.badge-gray {
  background: var(--bg-surface-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

/* --- Cards --- */
.card {
  background: var(--bg-surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 98, 255, 0.35);
}

.card-lg {
  padding: 2.5rem;
}

@media (max-width: 768px) {
  .card-lg {
    padding: 1.35rem 1.15rem;
  }
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--bg-glass-border);
}

.card-highlight-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-ai-electric) 0%, var(--color-ax-violet-500) 100%);
}

/* --- Prompt Preview Box (AI Characteristic Component) --- */
.prompt-box {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-sans);
}

.prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--bg-surface-tertiary);
  border-bottom: 1px solid var(--border-subtle);
}

.prompt-tag {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-code);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-ai-electric);
}

.prompt-tag .bracket {
  color: var(--bracket-color);
}

.prompt-copy-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all var(--transition-fast);
}

.prompt-copy-btn:hover {
  color: var(--color-ai-electric);
  border-color: var(--color-ai-electric);
  background: var(--bg-surface-primary);
}

.prompt-content {
  padding: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-primary);
  white-space: pre-line;
}

/* --- AX Consulting Process Stepper --- */
.stepper-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  position: relative;
}

.step-card {
  background: var(--bg-surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: all var(--transition-base);
}

.step-card:hover {
  border-color: var(--color-ai-electric);
  transform: translateY(-2px);
}

.step-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(0, 98, 255, 0.1);
  color: var(--color-ai-electric);
  font-family: var(--font-code);
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 98, 255, 0.2);
}

/* --- Form Controls --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-label.required::after {
  content: "*";
  color: var(--color-error);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface-primary);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-ai-electric);
  box-shadow: 0 0 0 3px rgba(0, 98, 255, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-helper {
  font-size: 0.75rem;
  color: var(--text-muted);
}


/* --- Dark Mode Component Elevation Enhancements --- */
[data-theme="dark"] .card {
  box-shadow: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--bg-surface-secondary);
}