/* ==========================================================================
   Components Stylesheet (個人專長與衛教網站專用)
   ========================================================================== */

/* ========================== NAVBAR ========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: 70px;
  display: flex;
  align-items: center;
  transition: background var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  height: 60px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* Elegant Brand Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-primary);
}

.logo svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
  fill: none;
}

.logo span {
  background: linear-gradient(135deg, var(--color-primary), var(--text-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Nav Links & Slide Indicator */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  position: relative;
}

.nav-item {
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  cursor: pointer;
}

.nav-item:hover {
  color: var(--color-primary);
}

.nav-item.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-item.active::after,
.nav-item:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Actions Group */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Theme Switcher Toggle Button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  transition: background var(--transition-fast), border var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--border-color);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-primary);
  fill: none;
  transition: transform var(--transition-normal);
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}
[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}
.theme-toggle .sun-icon {
  display: none;
}
.theme-toggle .moon-icon {
  display: block;
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  border-radius: var(--radius-full);
}

/* ========================== HERO SECTION ========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background: radial-gradient(circle at 80% 20%, var(--color-primary-alpha), transparent 40%),
              radial-gradient(circle at 10% 80%, var(--color-accent-light), transparent 30%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-primary-alpha);
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: var(--spacing-md);
  border: 1px solid rgba(24, 169, 154, 0.2);
}

.hero-badge span {
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: pulseBorder 2s infinite;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.15;
}

.hero-title span {
  color: var(--color-primary);
  position: relative;
}

.hero-desc {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: var(--spacing-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px rgba(24, 169, 154, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(24, 169, 154, 0.45);
}

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  transform: translateY(-2px);
  border-color: var(--text-light);
}

/* Hero visual panel with gradient card & profile avatar */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-blob {
  position: absolute;
  width: 130%;
  height: 130%;
  background: radial-gradient(circle, var(--color-primary-alpha) 0%, transparent 70%);
  z-index: -1;
  filter: blur(20px);
}

.hero-card {
  position: relative;
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 380px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform var(--transition-slow);
}

.hero-card:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-avatar {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary-light), var(--bg-tertiary));
}

.hero-meta {
  text-align: center;
}

.hero-meta h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
}

.hero-meta p {
  font-size: 0.9rem;
}

/* ========================== ABOUT / EXPERTISE ========================== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.expertise-card {
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  transition: transform var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.expertise-card:hover::before {
  transform: scaleX(1);
}

.expertise-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.expertise-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-alpha);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  transition: background var(--transition-fast);
}

.expertise-card:hover .expertise-icon {
  background: var(--color-primary);
}

.expertise-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
  fill: none;
  transition: stroke var(--transition-fast);
}

.expertise-card:hover .expertise-icon svg {
  stroke: var(--text-inverse);
}

.expertise-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.expertise-card p {
  font-size: 0.95rem;
}

/* About Section Two Column Layout */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-xxl);
  align-items: flex-start;
}

.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 6px;
  width: 2px;
  height: 100%;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.timeline-dot {
  position: absolute;
  left: -20px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  border: 2px solid var(--color-primary);
  z-index: 1;
  transition: transform var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.4);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.timeline-date {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.timeline-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.timeline-desc {
  font-size: 0.9rem;
}

/* ========================== SYMPTOM ASSESSMENT ========================== */
.assess-wrapper {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--spacing-xl);
  align-items: stretch;
}

@media (max-width: 992px) {
  .assess-wrapper {
    grid-template-columns: 1fr;
  }
}

.assess-panel {
  padding: var(--spacing-xl);
}

.assess-title-mini {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-primary);
}

.assess-title-mini svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
  fill: none;
}

/* Tabs Styling */
.assess-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xl);
}

@media (max-width: 576px) {
  .assess-tabs {
    grid-template-columns: 1fr;
  }
}

.assess-tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-md);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.assess-tab-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.assess-tab-btn.active {
  background: var(--color-primary-alpha);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary-alpha);
}

/* Symptom Checkboxes */
.symptom-list-group {
  margin-top: var(--spacing-md);
}

.symptom-checkbox-item {
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.symptom-checkbox-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.symptom-checkbox-item label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.symptom-checkbox-item label:hover {
  border-color: var(--color-primary-alpha);
  background: var(--bg-secondary);
}

.symptom-checkbox-item input[type="checkbox"]:checked + label {
  border-color: var(--color-primary);
  background: var(--color-primary-alpha);
}

/* Custom Checkbox Design */
.custom-checkbox {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 2px solid var(--text-light);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transition: all var(--transition-fast);
}

.symptom-checkbox-item label:hover .custom-checkbox {
  border-color: var(--color-primary);
}

.symptom-checkbox-item input[type="checkbox"]:checked + label .custom-checkbox {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.custom-checkbox::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--transition-fast);
}

.symptom-checkbox-item input[type="checkbox"]:checked + label .custom-checkbox::after {
  transform: rotate(45deg) scale(1);
}

.symptom-text {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-primary);
}

/* Results Display */
.assess-results {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.result-radial {
  position: relative;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.result-radial svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.result-radial circle {
  fill: none;
  stroke-width: 10;
}

.result-radial .radial-bg {
  stroke: var(--border-color);
}

.result-radial .radial-progress {
  stroke: var(--color-primary);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.35s ease, stroke 0.35s ease;
}

.radial-content {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.radial-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.radial-unit {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 4px;
}

.result-text {
  width: 100%;
  margin-bottom: var(--spacing-md);
}

.result-status-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: var(--spacing-md);
}

.badge-normal {
  background-color: rgba(34, 197, 94, 0.15);
  color: hsl(142, 70%, 40%);
}

.badge-warning {
  background-color: rgba(234, 179, 8, 0.15);
  color: hsl(45, 90%, 40%);
}

.badge-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: hsl(350, 80%, 45%);
}

/* FAQ Accordion Styling */
.faq-section {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-primary-alpha);
  box-shadow: 0 4px 20px rgba(20, 184, 166, 0.05);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.faq-question:hover {
  background: var(--bg-tertiary);
  color: var(--color-primary);
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  padding: 0 var(--spacing-xl);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.faq-item.active .faq-answer {
  max-height: 350px;
  padding: 0 var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
}

/* ========================== HEALTH EDUCATION HUB ========================== */
.articles-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* Search Bar with transitions */
.search-bar-wrapper {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  height: 52px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 0 var(--spacing-xl) 0 50px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md), 0 0 0 4px var(--color-primary-alpha);
}

.search-icon-btn {
  position: absolute;
  left: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  pointer-events: none;
}

.search-icon-btn svg {
  width: 22px;
  height: 22px;
  stroke: var(--text-light);
  fill: none;
}

.search-clear-btn {
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  display: none;
  cursor: pointer;
}

.search-clear-btn svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-light);
  fill: none;
}

.search-clear-btn:hover svg {
  stroke: var(--color-accent);
}

/* Category Filters */
.category-filter {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.category-pill {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-pill:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.category-pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 10px rgba(24, 169, 154, 0.25);
}

/* Articles Layout Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  min-height: 200px;
  transition: opacity var(--transition-fast);
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border var(--transition-normal);
  cursor: pointer;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.article-cover {
  width: 100%;
  height: 190px;
  overflow: hidden;
  position: relative;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform var(--transition-slow) ease;
}

.article-card:hover .article-cover img {
  transform: scale(1.08);
}

.article-tag {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

.article-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.75rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-meta svg {
  width: 12px;
  height: 12px;
  stroke: var(--text-light);
  fill: none;
}

.article-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.article-more {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary);
  align-self: flex-start;
  transition: gap var(--transition-fast);
}

.article-card:hover .article-more {
  gap: var(--spacing-sm);
}

.article-more svg {
  width: 14px;
  height: 14px;
  stroke: var(--color-primary);
  fill: none;
}

/* Empty Articles Result State */
.articles-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-xxl) 0;
  display: none;
}

.articles-empty svg {
  width: 48px;
  height: 48px;
  stroke: var(--text-light);
  fill: none;
  margin-bottom: var(--spacing-md);
}

.articles-empty p {
  color: var(--text-light);
}

/* ========================== ARTICLE FULL MODAL READER ========================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 90%;
  max-width: 850px;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

/* Reader Toolbar Header */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.modal-tool-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  transition: background var(--transition-fast), border var(--transition-fast);
}

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

.modal-tool-btn svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-primary);
  fill: none;
}

.modal-close-btn {
  background: var(--color-accent-light);
  border-color: rgba(239, 68, 68, 0.15);
}

.modal-close-btn svg {
  stroke: var(--color-accent);
}

.modal-close-btn:hover {
  background: var(--color-accent);
}

.modal-close-btn:hover svg {
  stroke: var(--text-inverse);
}

/* Beautiful Article Layout (Focus Reader) */
.modal-body {
  padding: var(--spacing-xl) var(--spacing-xxl);
  overflow-y: auto;
}

.reader-category {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: var(--spacing-md);
}

.reader-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.reader-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  font-size: 0.85rem;
  color: var(--text-light);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-xl);
}

.reader-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.reader-meta svg {
  width: 16px;
  height: 16px;
  stroke: var(--text-light);
  fill: none;
}

.reader-cover {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
}

/* Fine-tuned Chinese Reading Typography */
.reader-article-content {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--text-primary);
  transition: font-size var(--transition-fast);
}

.reader-article-content p {
  font-family: var(--font-serif);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.reader-article-content h2,
.reader-article-content h3 {
  font-family: var(--font-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.reader-article-content h2 {
  font-size: 1.6rem;
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-md);
}

.reader-article-content h2::after {
  display: none; /* remove center accent underline for article headers */
}

.reader-article-content blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--bg-tertiary);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--spacing-xl) 0;
  font-style: italic;
}

/* Font resize controller helper classes */
.reader-font-sm {
  font-size: 1rem;
}
.reader-font-md {
  font-size: 1.15rem;
}
.reader-font-lg {
  font-size: 1.3rem;
}

/* Toast Copy Link Notification */
.toast-msg {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(50px);
  background: var(--color-secondary);
  color: var(--text-inverse);
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  z-index: 3000;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
}

.toast-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ========================== CONTACT & RESERVATION ========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--spacing-xxl);
  align-items: stretch;
}

.clinic-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.info-item {
  display: flex;
  gap: var(--spacing-md);
}

.info-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-alpha);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary);
  fill: none;
}

.info-details h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.info-details p {
  font-size: 0.9rem;
}

/* Clinic schedule grid */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: var(--spacing-sm);
}

.schedule-table th, 
.schedule-table td {
  border: 1px solid var(--border-color);
  padding: 6px var(--spacing-sm);
  text-align: center;
}

.schedule-table th {
  background: var(--bg-tertiary);
  font-weight: 700;
}

.schedule-table td.available {
  color: var(--color-primary);
  font-weight: 700;
}

/* Form Styles */
.contact-form {
  padding: var(--spacing-xl);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  padding: 0 var(--spacing-md);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha);
}

textarea.form-control {
  height: 120px;
  padding: var(--spacing-md);
  resize: vertical;
}

/* ========================== FOOTER ========================== */
.footer {
  background: var(--bg-secondary);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  transition: background var(--transition-normal), border var(--transition-normal);
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.footer-logo svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
  fill: none;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--color-primary);
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ========================== FLOATING ACTIONS ========================== */
.floating-actions {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.floating-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.back-to-top {
  background: var(--color-primary);
  opacity: 0;
  pointer-events: none;
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-primary-hover);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-inverse);
  fill: none;
}

/* Music Toggle Floating Button */
.music-toggle-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--color-primary);
  pointer-events: auto;
  cursor: pointer;
}

.music-toggle-btn:hover {
  transform: scale(1.08);
  color: var(--color-primary-hover);
  box-shadow: var(--shadow-lg);
}

.music-toggle-btn .music-waves {
  display: none;
  align-items: flex-end;
  gap: 3px;
  height: 16px;
}

.music-toggle-btn .music-waves span {
  display: block;
  width: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: bounceWave 0.8s infinite ease-in-out alternate;
}

.music-toggle-btn .music-waves span:nth-child(1) { height: 60%; animation-delay: 0.1s; }
.music-toggle-btn .music-waves span:nth-child(2) { height: 100%; animation-delay: 0.3s; }
.music-toggle-btn .music-waves span:nth-child(3) { height: 40%; animation-delay: 0s; }
.music-toggle-btn .music-waves span:nth-child(4) { height: 80%; animation-delay: 0.2s; }

.music-toggle-btn .music-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.music-toggle-btn.playing .music-icon {
  display: none;
}

.music-toggle-btn.playing .music-waves {
  display: flex;
}

@keyframes bounceWave {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1.1); }
}