/* ===== EIRIK'S FITBOT - MODERN UI ===== */

/* Theme Variables */
:root {
  /* Light Theme (Default) */
  --bg-gradient-start: #f2fbf8;
  --bg-gradient-end: #dff3ff;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.18);
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-hover-bg: rgba(255, 255, 255, 0.95);
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;

  /* Brand Colors */
  --primary: linear-gradient(135deg, #0f766e 0%, #0891b2 55%, #f97316 100%);
  --primary-solid: #0f766e;
  --primary-hover: #0b5f59;
  --accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --accent-solid: #f59e0b;

  /* Semantic Colors */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);

  /* Shadows & Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(15, 118, 110, 0.35);

  /* Sizing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Font */
  --font-family: 'Space Grotesk', 'Manrope', 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-gradient-start: #0b1220;
  --bg-gradient-end: #0f1f2d;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --card-bg: rgba(30, 41, 59, 0.8);
  --card-hover-bg: rgba(30, 41, 59, 0.95);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(8, 145, 178, 0.5);
}

/* ===== BASE STYLES ===== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition-slow);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md);
  padding-bottom: 100px; /* Space for mobile bottom nav */
}

/* ===== HERO HEADER ===== */

.hero-header {
  text-align: center;
  padding: var(--spacing-xl) 0;
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  background: var(--primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
  animation: fadeInDown 0.6s var(--transition-base);
  letter-spacing: -0.02em;
}

.hero-greeting {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  animation: fadeIn 0.8s var(--transition-base) 0.2s backwards;
}

.theme-toggle {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 0.75rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-icon {
  font-size: 1.5rem;
  transition: transform var(--transition-bounce);
}

.theme-toggle:hover .theme-icon {
  transform: rotate(20deg);
}

/* ===== NAVIGATION ===== */

nav {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: var(--spacing-sm);
  z-index: 100;
  animation: slideDown 0.5s var(--transition-base);
  flex-wrap: wrap;
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.75rem 1.25rem;
  font-weight: var(--font-weight-medium);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-base);
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.nav-btn::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--primary);
  transition: transform var(--transition-base);
  border-radius: 2px;
}

.nav-btn:hover {
  color: var(--text-primary);
  background: rgba(102, 126, 234, 0.1);
}

.nav-btn.active {
  color: var(--primary-solid);
  background: rgba(102, 126, 234, 0.15);
  font-weight: var(--font-weight-semibold);
}

.nav-btn.active::before {
  transform: translateX(-50%) scaleX(1);
}

.nav-icon {
  font-size: 1.2rem;
}

/* Mobile Bottom Nav */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  padding: 0.75rem var(--spacing-sm);
  z-index: 1000;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  animation: slideUp 0.4s var(--transition-base);
}

.mobile-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
}

.mobile-nav-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  position: relative;
}

.mobile-nav-btn .nav-icon {
  font-size: 1.5rem;
  transition: transform var(--transition-bounce);
}

.mobile-nav-btn.active {
  color: var(--primary-solid);
}

.mobile-nav-btn.active .nav-icon {
  transform: scale(1.2);
}

.mobile-nav-btn:active {
  transform: scale(0.9);
}

@media (max-width: 768px) {
  nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }
}

/* ===== PERIOD TOGGLE ===== */

.period-toggle {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin: var(--spacing-md) 0;
  animation: fadeIn 0.6s var(--transition-base);
}

/* Range Picker */
.range-picker {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.6s var(--transition-base);
  flex-wrap: wrap;
}

.range-picker-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-semibold);
  margin-right: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.range-btn {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.range-btn:hover {
  background: rgba(102, 126, 234, 0.1);
  color: var(--text-primary);
  border-color: var(--primary-solid);
  transform: translateY(-1px);
}

.range-btn.active {
  background: var(--primary-solid);
  color: white;
  border-color: var(--primary-solid);
  box-shadow: var(--shadow-glow);
  font-weight: var(--font-weight-semibold);
}

.range-btn:active {
  transform: translateY(0);
}

.range-display {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-left: 0.5rem;
  padding: 0.3rem 0.7rem;
  background: rgba(102, 126, 234, 0.05);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-medium);
}

/* Compare Mode Toggle */
.compare-toggle-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.6s var(--transition-base);
}

.compare-toggle-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 24px;
  background: var(--glass-border);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid var(--glass-border);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: all var(--transition-bounce);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active {
  background: var(--primary-solid);
  border-color: var(--primary-solid);
}

.toggle-switch.active::after {
  transform: translateX(24px);
}

/* Compare Mode Card Modifications */
.kpi-card.compare-mode {
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(102, 126, 234, 0.05) 100%);
  border-left: 3px solid var(--primary-solid);
}

.compare-data {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--glass-border);
}

.compare-column {
  flex: 1;
  text-align: center;
}

.compare-column-header {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-semibold);
}

.compare-value {
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1;
}

.compare-change {
  font-size: 0.8rem;
  margin-top: 0.25rem;
  font-weight: var(--font-weight-semibold);
}

.compare-change.positive {
  color: var(--success);
}

.compare-change.negative {
  color: var(--error);
}

.compare-change.neutral {
  color: var(--text-secondary);
}

/* ===== HIGHLIGHTS (BEST/WORST DAYS) ===== */

.highlights-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.highlight-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  transition: all var(--transition-base);
}

.highlight-card.best::before {
  background: var(--success);
}

.highlight-card.worst::before {
  background: var(--error);
}

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

.highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-xl);
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.highlight-badge.best {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
}

.highlight-badge.worst {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

.highlight-value {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0.25rem 0;
}

.highlight-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.highlight-metric {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

/* ===== PERSONAL RECORDS (PR) BADGES ===== */

.pr-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.8rem;
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  color: #856404;
  border-radius: var(--radius-xl);
  font-size: 0.7rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
  animation: prBadgeAppear 0.6s var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.pr-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: prShine 3s infinite;
}

.pr-badge-icon {
  font-size: 1rem;
  animation: prPulse 2s infinite;
}

.kpi-value-with-pr {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pr-section {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 237, 78, 0.05) 100%);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--radius-lg);
  animation: fadeIn 0.6s var(--transition-base);
}

.pr-section-title {
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
}

.pr-item {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: all var(--transition-base);
}

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

.pr-item-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.pr-item-value {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0.25rem 0;
}

.pr-item-date {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

@keyframes prBadgeAppear {
  0% {
    opacity: 0;
    transform: scale(0.5) rotate(-10deg);
  }
  60% {
    transform: scale(1.1) rotate(5deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes prShine {
  0% {
    left: -100%;
  }
  100% {
    left: 200%;
  }
}

@keyframes prPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* ===== STREAK COUNTERS ===== */

.streak-section {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-lg);
  animation: fadeIn 0.6s var(--transition-base);
}

.streak-section-title {
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.streak-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-sm);
}

.streak-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.streak-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--success);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.streak-card.active::before {
  opacity: 1;
}

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

.streak-emoji {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
  animation: streakPulse 2s infinite;
}

.streak-count {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.streak-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.3rem 0.6rem;
  background: var(--success-bg);
  color: var(--success);
  border-radius: var(--radius-xl);
  font-size: 0.65rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
  border: 1px solid var(--success);
}

.streak-inactive {
  opacity: 0.5;
}

.streak-inactive .streak-count,
.streak-inactive .streak-label {
  color: var(--text-tertiary);
}

@keyframes streakPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* ===== ACHIEVEMENTS ===== */

.achievement-section {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(124, 58, 237, 0.05) 100%);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-lg);
  animation: fadeIn 0.6s var(--transition-base);
}

.achievement-section-title {
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.achievement-progress {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.achievement-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
}

.achievement-card.unlocked {
  border-color: rgba(139, 92, 246, 0.5);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, var(--card-bg) 100%);
}

.achievement-card.locked {
  opacity: 0.4;
  filter: grayscale(100%);
}

.achievement-card:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

.achievement-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
  animation: achievementFloat 3s infinite ease-in-out;
}

.achievement-card.unlocked .achievement-emoji {
  animation: achievementUnlock 0.8s var(--transition-bounce);
}

.achievement-name {
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.2;
}

.achievement-desc {
  font-size: 0.65rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.achievement-date {
  font-size: 0.6rem;
  color: var(--text-tertiary);
  margin-top: 0.5rem;
  font-style: italic;
}

@keyframes achievementFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes achievementUnlock {
  0% {
    transform: scale(0) rotate(-180deg);
    opacity: 0;
  }
  60% {
    transform: scale(1.3) rotate(20deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-block;
}

.btn-secondary:hover {
  background: var(--card-hover-bg);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary.active {
  background: var(--primary-solid);
  color: white;
  border-color: var(--primary-solid);
  box-shadow: var(--shadow-glow);
  font-weight: var(--font-weight-semibold);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* ===== BUTTONS ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:active {
  transform: translateY(0);
}

/* ===== CARDS & GLASSMORPHISM ===== */

.card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--card-hover-bg);
}

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

.card-title {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== KPI CARDS ===== */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.6s var(--transition-base);
}

.kpi-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.kpi-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.kpi-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.kpi-card:hover::after {
  opacity: 1;
}

.kpi-title {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kpi-value {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
  animation: countUp 0.8s var(--transition-bounce);
}

.kpi-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* Drilldown Hint */
.drilldown-hint {
  font-size: 0.7rem;
  color: var(--primary-solid);
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--transition-base);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.kpi-card[data-drilldown]:hover .drilldown-hint {
  opacity: 1;
  transform: translateY(0);
}

.kpi-card[data-drilldown] {
  cursor: pointer;
}

.kpi-card[data-drilldown]:active {
  transform: translateY(-4px) scale(0.98);
}

/* Animated Trend Arrows */
.trend-up {
  color: var(--success);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  animation: trendUp 0.6s var(--transition-bounce);
}

.trend-down {
  color: var(--error);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  animation: trendDown 0.6s var(--transition-bounce);
}

.trend-up::before {
  content: '↑';
  font-size: 1.2em;
  animation: bounce 1s infinite;
}

.trend-down::before {
  content: '↓';
  font-size: 1.2em;
  animation: bounce 1s infinite;
}

/* ===== TOOLTIPS ===== */

.kpi-card {
  position: relative;
}

.kpi-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  min-width: 240px;
  max-width: 320px;
}

.kpi-tooltip::before {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--card-bg);
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.1));
}

.kpi-card:hover .kpi-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(-12px);
}

.tooltip-title {
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 0.5rem;
}

.tooltip-content {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.tooltip-ideal {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-style: italic;
}

/* Mobile tooltip adjustments */
@media (max-width: 768px) {
  .kpi-tooltip {
    position: fixed;
    left: 50%;
    bottom: auto;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    min-width: 280px;
    max-width: 90vw;
  }

  .kpi-card.tooltip-active .kpi-tooltip {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  .kpi-tooltip::before {
    display: none;
  }
}

/* ===== PROGRESS RINGS ===== */

.progress-ring-container {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-sm);
}

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring-circle {
  stroke-dasharray: 314;
  stroke-dashoffset: 314;
  transition: stroke-dashoffset 1s var(--transition-base);
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px currentColor);
}

.progress-ring-bg {
  stroke: var(--glass-border);
  stroke-width: 8;
}

.progress-ring-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.progress-ring-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

/* ===== CHARTS ===== */

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

canvas {
  width: 100% !important;
  height: 280px !important;
  animation: fadeIn 0.8s var(--transition-base);
}

/* ===== BADGES ===== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: fadeIn 0.4s var(--transition-base);
}

.badge-recovered {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
}

.badge-strained {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

.badge-neutral {
  background: rgba(100, 116, 139, 0.1);
  color: var(--text-secondary);
  border: 1px solid var(--text-secondary);
}

.badge-high {
  background: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info);
}

.badge-med {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.badge-low {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

/* ===== SKELETON LOADERS ===== */

.skeleton {
  background: linear-gradient(90deg,
    var(--glass-bg) 25%,
    rgba(255, 255, 255, 0.5) 50%,
    var(--glass-bg) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-card {
  height: 180px;
  margin-bottom: var(--spacing-md);
}

.skeleton-text {
  height: 16px;
  margin-bottom: 0.5rem;
  width: 100%;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto;
}

/* ===== TAB PANES ===== */

.tab-pane {
  display: none;
  animation: fadeInUp 0.5s var(--transition-base);
}

.tab-pane.active {
  display: block;
}

/* ===== MODAL ===== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: 2000;
}

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

.modal-content {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-border);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal-content {
  transform: scale(1) translateY(0);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.metric-box {
  background: var(--glass-bg);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}

.metric-box:hover {
  background: var(--card-hover-bg);
  transform: translateY(-2px);
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.25rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-top: 0.25rem;
}

/* ===== TOAST ===== */

.toast-container {
  position: fixed;
  bottom: 100px;
  right: var(--spacing-md);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.toast {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 300px;
  animation: slideInRight 0.4s var(--transition-bounce);
  border-left: 3px solid var(--success);
}

.toast.error {
  border-left-color: var(--error);
}

/* ===== UTILITY CLASSES ===== */

.hidden {
  display: none !important;
}

.text-sm {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.text-xs {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.text-error {
  color: var(--error);
}

.stat-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  animation: fadeIn 0.8s var(--transition-base);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

.empty-state-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-text {
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

.connect-prompt {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

/* Sync Status */
.sync-status {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-right: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

/* Overview Revamp */
.overview-shell {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--spacing-md);
}

.overview-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  background:
    radial-gradient(circle at 85% 20%, rgba(249, 115, 22, 0.16), transparent 45%),
    radial-gradient(circle at 15% 80%, rgba(8, 145, 178, 0.18), transparent 40%),
    var(--card-bg);
}

.overview-hero-kicker {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: var(--font-weight-bold);
  color: var(--primary-solid);
  margin-bottom: 0.35rem;
}

.overview-hero-title {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.overview-hero-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.overview-chip-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.overview-chip {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-xl);
  padding: 0.35rem 0.7rem;
  border: 1px solid transparent;
  font-size: 0.72rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.overview-chip.good {
  background: var(--success-bg);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.35);
}

.overview-chip.warn {
  background: var(--error-bg);
  color: var(--error);
  border-color: rgba(239, 68, 68, 0.35);
}

.overview-chip.neutral {
  background: rgba(100, 116, 139, 0.12);
  color: var(--text-secondary);
  border-color: rgba(100, 116, 139, 0.35);
}

.overview-context-note {
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-left: 4px solid rgba(8, 145, 178, 0.6);
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.1) 0%, rgba(255, 255, 255, 0.2) 100%);
}

.overview-grid-top {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.overview-primary-card {
  min-height: 165px;
}

.overview-primary-title {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-semibold);
}

.overview-primary-value {
  font-size: clamp(1.65rem, 3.2vw, 2.3rem);
  line-height: 1;
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.5rem;
}

.overview-primary-meta {
  font-size: 0.82rem;
  font-weight: var(--font-weight-semibold);
}

.overview-primary-meta.up {
  color: var(--success);
}

.overview-primary-meta.down {
  color: var(--error);
}

.overview-primary-meta.flat {
  color: var(--text-secondary);
}

.overview-primary-meta.good {
  color: var(--success);
}

.overview-primary-meta.warn {
  color: var(--error);
}

.overview-primary-meta.neutral {
  color: var(--text-secondary);
}

.overview-primary-sub {
  margin-top: 0.55rem;
  font-size: 0.76rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.overview-health-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.overview-health-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.15rem 0;
  border-bottom: 1px dashed var(--glass-border);
  font-size: 0.8rem;
}

.overview-health-item strong {
  font-variant-numeric: tabular-nums;
}

.overview-trend-card .card-title {
  margin-bottom: 1rem;
}

.trend-table {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.trend-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(190px, 1.6fr) minmax(130px, 1fr) minmax(120px, 1fr);
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.trend-metric {
  font-size: 0.82rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.trend-values {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.trend-delta {
  font-size: 0.78rem;
  font-weight: var(--font-weight-semibold);
}

.trend-delta.up {
  color: var(--success);
}

.trend-delta.down {
  color: var(--error);
}

.trend-delta.flat {
  color: var(--text-secondary);
}

.trend-meter {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.12);
  overflow: hidden;
}

.trend-meter-fill {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: inherit;
}

.overview-split {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.overview-ai-card {
  min-height: 240px;
}

.overview-ai-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 0.7rem;
  font-weight: var(--font-weight-semibold);
}

.overview-ai-list {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.overview-footer-note {
  text-align: right;
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.sleep-context-note {
  margin-bottom: var(--spacing-sm);
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(8, 145, 178, 0.25);
  background: rgba(8, 145, 178, 0.09);
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.45;
}

/* ===== ANIMATIONS ===== */

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

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes trendUp {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes trendDown {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  50% {
    transform: translateY(5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
  }
  50% {
    box-shadow: 0 0 20px 10px rgba(102, 126, 234, 0.3);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
  }
}

/* ===== RESPONSIVE ===== */

@media (max-width: 768px) {
  :root {
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }

  .container {
    padding: var(--spacing-sm);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-greeting {
    font-size: 1rem;
  }

  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .theme-toggle {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 0.6rem;
  }

  .toast-container {
    bottom: 80px;
    right: var(--spacing-sm);
    left: var(--spacing-sm);
  }

  .toast {
    min-width: auto;
  }

  .overview-hero {
    flex-direction: column;
  }

  .overview-chip-row {
    justify-content: flex-start;
  }

  .trend-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .overview-footer-note {
    text-align: left;
  }
}

/* Smooth scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--glass-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-solid);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-hover);
}