/* ============================================
   COMPONENTS — Reusable UI Components
   ============================================ */

/* ── Header ── */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  z-index: var(--z-header);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  color: var(--color-text-inverse);
}

.header-brand-logo-img {
  height: 34px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.header-brand-divider {
  width: 1px;
  height: 32px;
  background: rgba(255, 255, 255, 0.3);
}

.header-brand-subtitle {
  white-space: nowrap;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #C5D0DD;
}

.header-progress {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-inverse);
}

.header-progress-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.header-progress-bar {
  width: 160px;
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.header-progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.header-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
}

.header-progress-value {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  min-width: 40px;
  text-align: right;
}

/* ── Footer ── */
.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--footer-height);
  background: var(--color-primary);
  border-top: 3px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  z-index: var(--z-footer);
  color: var(--color-text-inverse);
}

.footer-left {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.footer-right {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

.bottom-illustration {
  position: fixed;
  bottom: calc(var(--footer-height) + var(--space-3));
  left: var(--space-6);
  height: 220px;
  width: auto;
  pointer-events: none;
  z-index: calc(var(--z-footer) - 1);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-button);
  color: var(--color-text-inverse);
  box-shadow: 0 2px 8px rgba(0, 200, 23, 0.3);
}

.btn-primary:hover {
  background: var(--color-button-hover);
  box-shadow: 0 4px 16px rgba(255, 128, 0, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.97);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

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

.btn-large {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
}

/* ── Input Fields ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-input:hover {
  border-color: var(--color-text-muted);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input.is-invalid,
.question-comment-input.is-invalid {
  border-color: var(--color-error);
}

.form-input.is-invalid:focus,
.question-comment-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.12);
}

.field-error {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-error);
  margin: 0;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

/* ── Navigation Buttons (Bottom) ── */
.nav-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

/* ── Tab Navigation ── */
.tab-nav-wrapper {
  position: relative;
}

.tab-nav-wrapper::before,
.tab-nav-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 2px;
  width: 24px;
  pointer-events: none;
  z-index: 1;
}

.tab-nav-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg), transparent);
}

.tab-nav-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg), transparent);
}

.tab-nav {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  border-bottom: 2px solid var(--color-border-light);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.tab-nav::-webkit-scrollbar {
  display: none;
}

.tab-item {
  flex-shrink: 0;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-base);
  cursor: pointer;
}

.tab-item:hover {
  color: var(--color-text-secondary);
}

.tab-item.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-item.completed {
  color: var(--color-text-secondary);
}

/* ── Rating Scale ── */
.rating-legend {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-border-light);
}

.rating-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.rating-legend-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
}

.evaluating-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 51, 102, 0.06);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-6);
}

.evaluating-tag svg {
  width: 16px;
  height: 16px;
}

.question-block {
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  margin-bottom: var(--space-3);
  transition: all var(--transition-base);
}

.question-block:hover {
  box-shadow: var(--shadow-xs);
  border-color: var(--color-border);
}

.question-comment {
  margin-top: var(--space-4);
}

.question-comment-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.question-comment-input {
  width: 100%;
  padding: var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  resize: vertical;
  min-height: 60px;
  transition: border-color var(--transition-fast);
}

.question-comment-input:focus {
  outline: none;
  border-color: var(--color-button);
}

.form-error {
  color: var(--color-error);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  padding: var(--space-3) var(--space-4);
  background: rgba(220, 53, 69, 0.08);
  border-radius: var(--radius-md);
  border: 1px solid rgba(220, 53, 69, 0.25);
}

.language-switcher {
  display: flex;
  gap: var(--space-1);
}

.language-switcher button {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.language-switcher button.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.language-switcher button:hover {
  background: rgba(255, 255, 255, 0.22);
}

.question-text {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.question-number {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-2);
}

.rating-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.rating-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  position: relative;
}

.rating-btn:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.rating-btn.selected {
  color: var(--color-text-inverse);
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Dimension-specific selected colors are applied via JS inline style */

.rating-btn-separator {
  width: 1px;
  height: 28px;
  background: var(--color-border-light);
  margin: 0 var(--space-2);
}

.rating-btn-notobserved {
  width: auto;
  padding: 0 var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: 0.3px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-weight: var(--font-semibold);
  transition: all var(--transition-base);
}

.rating-btn-notobserved:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-hover);
}

.rating-btn-notobserved.selected {
  background: var(--color-text-secondary);
  color: var(--color-text-inverse);
  border-color: transparent;
}

/* ── Relationship Cards ── */
.relationship-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.relationship-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.relationship-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.relationship-card.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 20px rgba(0, 51, 102, 0.3);
  transform: translateY(-2px);
}

.relationship-card.selected .relationship-desc {
  color: rgba(255, 255, 255, 0.8);
}

.relationship-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: all var(--transition-base);
}

.relationship-card.selected .relationship-icon {
  background: rgba(255, 255, 255, 0.15);
}

.relationship-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.relationship-card.selected .relationship-icon svg {
  color: var(--color-text-inverse);
}

.relationship-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-2);
}

.relationship-desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  transition: color var(--transition-base);
}

/* ── Help FAB ── */
.help-fab {
  position: fixed;
  bottom: calc(var(--footer-height) + var(--space-4));
  right: var(--space-6);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-fab);
  transition: all var(--transition-base);
}

.help-fab:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.help-fab:active {
  transform: scale(0.95);
}

/* ── Section Header with Color Bar ── */
.section-header {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section-bar {
  width: 4px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  min-height: 60px;
}

.section-header-content {
  flex: 1;
}

.section-dimension-label {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Info Cards (Welcome) ── */
.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.info-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.info-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-accent-light);
  margin-bottom: var(--space-4);
}

.info-card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.info-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.info-card-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ── Results Chart ── */
.chart-bar-container {
  margin-bottom: var(--space-4);
}

.chart-bar-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.chart-bar-track {
  height: 32px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.chart-bar-fill {
  height: 100%;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--space-3);
  min-width: 48px;
  transition: width 1s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.chart-bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  border-radius: var(--radius-md);
}

.chart-bar-value {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
  position: relative;
  z-index: 1;
}

.chart-bar-value-outside {
  position: absolute;
  right: -40px;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  z-index: 1;
}

/* ── Success Check Icon ── */
.success-check {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-button);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: checkPop 0.6s ease forwards;
}

.success-check svg {
  width: 28px;
  height: 28px;
  color: var(--color-text-inverse);
}

/* ── Loading Overlay ── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--color-accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}