/* ========================================
   Anquanqi.com Design System
   面向年轻女性的周期健康管理网站
   ======================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
  /* Colors */
  --color-primary: #E8A0BF;
  --color-primary-dark: #D4789C;
  --color-primary-light: #F2C4D8;
  --color-primary-50: rgba(232, 160, 191, 0.08);
  --color-primary-100: rgba(232, 160, 191, 0.15);
  --color-secondary: #BA90C6;
  --color-secondary-dark: #A374B5;
  --color-secondary-light: #D4B8DE;
  --color-safe: #7EC8A9;
  --color-safe-light: #E0F5EC;
  --color-warning: #F5C6AA;
  --color-warning-light: #FFF0E6;
  --color-danger: #E88B9C;
  --color-danger-light: #FCE4E8;
  --color-bg: #F8F0F5;
  --color-bg-alt: #FBF5F9;
  --color-surface: #FFFFFF;
  --color-text: #2D2D3A;
  --color-text-secondary: #8E8EA0;
  --color-text-light: #B0B0C0;
  --color-border: #F0E4EC;
  --color-border-dark: #E0D0DC;
  --gradient-primary: linear-gradient(135deg, #E8A0BF, #BA90C6);
  --gradient-warm: linear-gradient(135deg, #F5C6AA, #E8A0BF);
  --gradient-cool: linear-gradient(135deg, #BA90C6, #7EC8A9);
  --gradient-hero: linear-gradient(135deg, #FBF0F5 0%, #F0E4F5 50%, #E8F0F5 100%);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --fs-h1: 2.25rem;
  --fs-h2: 1.75rem;
  --fs-h3: 1.375rem;
  --fs-h4: 1.125rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  --lh-heading: 1.3;
  --lh-body: 1.7;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(232, 160, 191, 0.08);
  --shadow-md: 0 4px 20px rgba(232, 160, 191, 0.1);
  --shadow-lg: 0 8px 40px rgba(232, 160, 191, 0.15);
  --shadow-xl: 0 16px 60px rgba(232, 160, 191, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 64px;
  --bottom-nav-height: 64px;
}

/* --- Reset --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-dark); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-secondary-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--lh-heading);
  color: var(--color-text);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.page-content {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-3xl);
  min-height: 100vh;
}

.grid { display: grid; gap: var(--space-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(248, 240, 245, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
}

.nav-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary-dark);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: var(--transition-base);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(248, 240, 245, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: var(--space-xl) var(--space-lg);
}

.mobile-nav.active { display: flex; flex-direction: column; }

.mobile-nav a {
  display: block;
  padding: var(--space-md) 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

/* Bottom Navigation (Mobile) */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border);
  z-index: 1000;
}

.bottom-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: var(--space-sm);
}

.bottom-nav-item .nav-icon { font-size: 1.25rem; }
.bottom-nav-item.active,
.bottom-nav-item:hover { color: var(--color-primary-dark); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: var(--fs-small);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(232, 160, 191, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(232, 160, 191, 0.4);
  color: white;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-primary-light);
}
.btn-secondary:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.btn-ghost {
  color: var(--color-text-secondary);
  padding: 0.5rem 1rem;
}
.btn-ghost:hover { color: var(--color-primary-dark); background: var(--color-primary-50); }

.btn-sm { padding: 0.5rem 1rem; font-size: var(--fs-xs); }
.btn-lg { padding: 1rem 2rem; font-size: var(--fs-body); }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--radius-full); }

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

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

.card-flat { box-shadow: none; }
.card-flat:hover { box-shadow: var(--shadow-sm); }

.card-interactive { cursor: pointer; }
.card-interactive:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-gradient {
  background: var(--gradient-hero);
  border: none;
}

.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

/* --- Tags / Badges --- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--color-primary-50);
  color: var(--color-primary-dark);
  transition: var(--transition-fast);
}
.tag:hover { background: var(--color-primary-100); }
.tag-safe { background: var(--color-safe-light); color: #3A9B7A; }
.tag-warning { background: var(--color-warning-light); color: #C67A4A; }
.tag-danger { background: var(--color-danger-light); color: #C45A6A; }
.tag-secondary { background: rgba(186, 144, 198, 0.1); color: var(--color-secondary-dark); }

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-danger);
  color: white;
}

/* --- Forms --- */
.form-group { margin-bottom: var(--space-lg); }

.form-label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-body);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-50);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238E8EA0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* --- Hero Section --- */
.hero {
  padding: var(--space-3xl) 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 160, 191, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(186, 144, 198, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* --- Section --- */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 { margin-bottom: var(--space-sm); }
.section-header p { color: var(--color-text-secondary); max-width: 560px; margin: 0 auto; }

/* --- Feature Cards --- */
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.feature-icon-primary { background: var(--color-primary-50); }
.feature-icon-secondary { background: rgba(186, 144, 198, 0.1); }
.feature-icon-safe { background: var(--color-safe-light); }
.feature-icon-warning { background: var(--color-warning-light); }

/* --- Calendar --- */
.calendar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-weekday {
  text-align: center;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: var(--space-sm);
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-small);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.calendar-day:hover { background: var(--color-primary-50); }
.calendar-day.today { font-weight: 700; color: var(--color-primary-dark); }
.calendar-day.period { background: var(--color-danger-light); color: var(--color-danger); font-weight: 600; }
.calendar-day.ovulation { background: var(--color-warning-light); color: #C67A4A; font-weight: 600; }
.calendar-day.safe { background: var(--color-safe-light); color: #3A9B7A; }
.calendar-day.fertile { background: rgba(245, 198, 170, 0.4); color: #C67A4A; }
.calendar-day.empty { cursor: default; }
.calendar-day.empty:hover { background: transparent; }

/* --- Accordion / FAQ --- */
.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: var(--transition-base);
}

.accordion-item:hover { border-color: var(--color-primary-light); }

.accordion-trigger {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  transition: var(--transition-fast);
}

.accordion-trigger:hover { color: var(--color-primary-dark); }

.accordion-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-base);
  color: var(--color-text-secondary);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-content { max-height: 500px; }

.accordion-body {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer h4 { color: white; margin-bottom: var(--space-md); font-size: var(--fs-body); }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p { margin-top: var(--space-md); font-size: var(--fs-small); line-height: 1.8; }

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-small);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.breadcrumb a { color: var(--color-text-secondary); }
.breadcrumb a:hover { color: var(--color-primary-dark); }
.breadcrumb .sep { color: var(--color-text-light); }

/* --- Stat Cards --- */
.stat-card { text-align: center; }
.stat-value {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: var(--fs-small); color: var(--color-text-secondary); margin-top: var(--space-xs); }

/* --- Progress Bar --- */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* --- Tooltip --- */
.tooltip { position: relative; }
.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: 0.4rem 0.8rem;
  background: var(--color-text);
  color: white;
  font-size: var(--fs-xs);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.tooltip:hover::after { opacity: 1; }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-fadeInUp { animation: fadeInUp 0.6s ease both; }
.animate-fadeIn { animation: fadeIn 0.4s ease both; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* --- Utility --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-secondary { color: var(--color-text-secondary); }
.text-small { font-size: var(--fs-small); }
.text-xs { font-size: var(--fs-xs); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mx-auto { margin-left: auto; margin-right: auto; }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --fs-h1: 1.875rem;
    --fs-h2: 1.5rem;
    --fs-h3: 1.25rem;
    --nav-height: 56px;
  }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .hero { padding: var(--space-2xl) 0; }
  .hero-title { font-size: 2rem; }

  .bottom-nav { display: flex; }
  .page-content { padding-bottom: calc(var(--bottom-nav-height) + var(--space-xl)); }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }

  .section { padding: var(--space-2xl) 0; }
}

@media (max-width: 480px) {
  :root {
    --fs-h1: 1.625rem;
    --fs-h2: 1.25rem;
  }

  .container { padding: 0 var(--space-md); }
  .card { padding: var(--space-lg); }
  .hero-title { font-size: 1.75rem; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-light); }

/* --- Selection --- */
::selection {
  background: var(--color-primary-light);
  color: var(--color-text);
}