/**
 * Terrnix Assessment Engine - Styles
 * Premium assessment experience styling
 */

/* ===== BASE ===== */
.assessment-container {
  --assessment-primary: #059669;
  --assessment-primary-light: #34d399;
  --assessment-secondary: #0d9488;
  --assessment-bg: #0f172a;
  --assessment-card: #1e293b;
  --assessment-border: rgba(71, 85, 105, 0.5);
  --assessment-text: #f1f5f9;
  --assessment-text-muted: #94a3b8;
  --assessment-text-dim: #64748b;
  --assessment-error: #f87171;
  --assessment-success: #34d399;
  --assessment-warning: #fbbf24;

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--assessment-text);
  line-height: 1.6;
}

/* ===== INPUTS ===== */
.assessment-input {
  width: 100%;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(71, 85, 105, 0.5);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: white;
  font-size: 1rem;
  transition: all 0.2s ease-out;
}

.assessment-input:focus {
  outline: none;
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.assessment-input::placeholder {
  color: #64748b;
}

.assessment-input--error {
  border-color: rgba(239, 68, 68, 0.5);
}

.assessment-input--error:focus {
  border-color: rgba(239, 68, 68, 0.8);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* ===== OPTIONS ===== */
.assessment-option {
  cursor: pointer;
  border-radius: 0.75rem;
  border: 1px solid rgba(71, 85, 105, 0.3);
  padding: 1rem;
  transition: all 0.2s ease-out;
  background: rgba(51, 65, 85, 0.3);
}

.assessment-option:hover {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(51, 65, 85, 0.5);
}

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

.assessment-option[aria-checked="true"] {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--assessment-primary);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* ===== BUTTONS ===== */
.assessment-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.2s ease-out;
  cursor: pointer;
  border: none;
}

.assessment-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.assessment-btn-primary {
  background: linear-gradient(135deg, var(--assessment-primary), var(--assessment-secondary));
  color: white;
  box-shadow: 0 4px 6px -1px rgba(5, 150, 105, 0.2);
}

.assessment-btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 12px -2px rgba(5, 150, 105, 0.3);
}

.assessment-btn-secondary {
  background: transparent;
  border: 2px solid var(--assessment-primary);
  color: var(--assessment-primary-light);
}

.assessment-btn-secondary:hover {
  background: rgba(16, 185, 129, 0.1);
}

/* ===== PROGRESS BAR ===== */
.assessment-progress {
  height: 0.5rem;
  background: rgba(71, 85, 105, 0.5);
  border-radius: 9999px;
  overflow: hidden;
}

.assessment-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--assessment-primary), var(--assessment-primary-light));
  border-radius: 9999px;
  transition: width 0.5s ease-out;
}

/* ===== CARDS ===== */
.assessment-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(71, 85, 105, 0.5);
  border-radius: 1rem;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
}

/* ===== ANIMATIONS ===== */
@keyframes assessment-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.assessment-fade-in {
  animation: assessment-fade-in 0.3s ease-out;
}

@keyframes assessment-slide-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.assessment-slide-in {
  animation: assessment-slide-in 0.4s ease-out;
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  .assessment-container *,
  .assessment-container *::before,
  .assessment-container *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
.assessment-container *:focus-visible {
  outline: 2px solid var(--assessment-primary);
  outline-offset: 2px;
}

/* Screen reader only */
.assessment-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .assessment-container {
    padding: 1rem;
  }

  .assessment-option {
    padding: 0.875rem;
  }

  .assessment-btn {
    width: 100%;
  }
}

/* ===== PRINT ===== */
@media print {
  .assessment-container {
    background: white;
    color: black;
  }
}