/* ===== DARK MODE STAT CARD BORDER & SHADOW FIX ===== */
[data-theme="dark"] .stat-card,
:root[data-theme="dark"] .stat-card {
  border: 1px solid var(--color-border-primary) !important;
  box-shadow: 0 2px 8px oklch(0 0 0 / 0.18), inset 0 1px 0 oklch(0 0 0 / 0.3) !important;
}
/* ===== DARK MODE STAT CARD BORDER FIX ===== */
[data-theme="dark"] .stat-card,
:root[data-theme="dark"] .stat-card {
  border: 1px solid var(--color-border-primary);
}
/* =============================================================================
   MODERN EMPLOYEE DESIGN SYSTEM - V2
   Dark/Light Mode Support with Premium Aesthetic
   ============================================================================= */

/* ===== THEME SWITCHING SYSTEM ===== */
/* Default Theme (Dark Mode) - Modern OKLCH Palette */
:root,
:root[data-theme="dark"] {
  /* ===== CORE COLORS - DARK MODE ===== */
  /* Dark Grey-Blue backgrounds with better contrast */
  --color-bg-primary: oklch(0.09 0.02 235);
  --color-bg-secondary: oklch(0.12 0.025 235);
  --color-bg-tertiary: oklch(0.15 0.03 235);
  --color-bg-card: oklch(0.17 0.035 235);
  --color-bg-elevated: oklch(0.2 0.04 235);
  --color-bg-surface: oklch(0.23 0.045 235);
  --color-bg-muted: oklch(0.14 0.025 235);

  /* Enhanced text hierarchy with better readability on grey-blue */
  --color-text-primary: oklch(0.97 0.008 235);
  --color-text-secondary: oklch(0.86 0.012 235);
  --color-text-tertiary: oklch(0.7 0.018 235);
  --color-text-muted: oklch(0.53 0.025 235);
  --color-text-disabled: oklch(0.36 0.03 235);

  /* Custom brand colors - Dark Grey-Blue Theme */
  --color-brand-primary: oklch(0.68 0.125 225); /* #009CDE */
  --color-brand-secondary: oklch(0.63 0.098 215); /* #2f99bf */
  --color-brand-tertiary: oklch(0.18 0.045 235); /* #042b45 */
  --color-brand-light: oklch(0.72 0.11 225);

  /* Custom accent colors - Your specified palette */
  --color-accent-blue: oklch(0.68 0.125 225); /* Primary blue */
  --color-accent-cyan: oklch(0.63 0.098 215); /* Secondary blue */
  --color-accent-orange: oklch(0.72 0.16 65); /* rgb(255,136,0) */
  --color-accent-green: oklch(0.84 0.14 165); /* rgb(25,230,168) */
  --color-accent-red: oklch(0.65 0.22 25);
  --color-accent-purple: oklch(0.62 0.15 285);
  --color-accent-pink: oklch(0.7 0.2 345);

  /* Status colors */
  --color-success: oklch(0.84 0.14 165); /* Green */
  --color-success-bg: oklch(0.84 0.14 165 / 0.1);
  --color-warning: oklch(0.72 0.16 65); /* Orange */
  --color-warning-bg: oklch(0.72 0.16 65 / 0.1);
  --color-danger: oklch(0.65 0.22 25); /* Red */
  --color-danger-bg: oklch(0.65 0.22 25 / 0.1);
  --color-info: oklch(0.68 0.125 225); /* Blue */
  --color-info-bg: oklch(0.68 0.125 225 / 0.1);

  /* Extended gradient variables */
  --color-brand-light-alt: oklch(0.75 0.09 225);
  --color-accent-orange-mid: oklch(0.75 0.14 68);
  --color-accent-orange-dark: oklch(0.68 0.12 62);
  --color-accent-green-mid: oklch(0.87 0.12 168);
  --color-accent-green-dark: oklch(0.8 0.11 172);
  --color-accent-purple-mid: oklch(0.65 0.13 290);
  --color-accent-purple-dark: oklch(0.58 0.11 295);
  --color-accent-cyan-mid: oklch(0.66 0.09 218);
  --color-accent-cyan-dark: oklch(0.6 0.08 212);
  --color-bg-surface-dark: oklch(0.25 0.04 235);

  /* Glass and effect variables */
  --color-glass-light: oklch(1 0 0 / 0.08);
  --color-glass-mid: oklch(0.98 0.02 225 / 0.04);
  --color-glass-dark: oklch(0.95 0.015 235 / 0.02);
  --color-shimmer: oklch(0.75 0.08 225 / 0.15);
  --color-mesh-light: oklch(0.22 0.04 225 / 0.6);
  --color-mesh-mid: oklch(0.25 0.05 215 / 0.4);
  --color-mesh-dark: oklch(0.19 0.025 235);

  /* Button hover and interaction variables */
  --color-hover-shimmer: oklch(1 0 0 / 0.2);
  --color-error-dark: oklch(0.58 0.22 25);
  --color-error-darker: oklch(0.52 0.22 25);

  /* Modal and alert variables */
  --color-modal-header-light: oklch(1 0 0 / 0.1);
  --color-modal-header-dark: oklch(1 0 0 / 0.05);
  --color-modal-border: oklch(1 0 0 / 0.1);
  --color-alert-info-light: oklch(0.59 0.15 220 / 0.1);
  --color-alert-info-dark: oklch(0.67 0.15 222 / 0.05);
  --color-alert-info-border: oklch(0.59 0.15 220 / 0.3);
  --color-alert-success-light: oklch(0.64 0.18 162 / 0.1);
  --color-alert-success-dark: oklch(0.72 0.18 165 / 0.05);
  --color-alert-success-border: oklch(0.64 0.18 162 / 0.3);
  --color-alert-warning-light: oklch(0.68 0.15 65 / 0.1);
  --color-alert-warning-dark: oklch(0.73 0.15 68 / 0.05);
  --color-alert-warning-border: oklch(0.68 0.15 65 / 0.3);
  --color-alert-error-light: oklch(0.63 0.22 25 / 0.1);
  --color-alert-error-dark: oklch(0.66 0.22 25 / 0.05);
  --color-alert-error-border: oklch(0.63 0.22 25 / 0.3);

  /* Sidebar hover variables */
  --color-sidebar-hover-light: oklch(0.68 0.125 225 / 0.08);
  --color-sidebar-hover-dark: oklch(0.72 0.11 225 / 0.04);
  --color-sidebar-hover-border: oklch(0.68 0.125 225 / 0.2);

  /* Button and component interaction variables */
  --color-btn-inset-light: oklch(1 0 0 / 0.2);
  --color-btn-inset-medium: oklch(1 0 0 / 0.3);
  --color-btn-bg-light: oklch(1 0 0 / 0.1);
  --color-btn-bg-medium: oklch(1 0 0 / 0.15);
  --color-btn-border-light: oklch(1 0 0 / 0.2);
  --color-btn-border-medium: oklch(1 0 0 / 0.3);
  --color-form-bg-light: oklch(1 0 0 / 0.05);
  --color-form-bg-medium: oklch(1 0 0 / 0.08);
  --color-form-bg-focus: oklch(1 0 0 / 0.1);
  --color-form-border-light: oklch(1 0 0 / 0.1);
  --color-form-border-medium: oklch(1 0 0 / 0.2);
  --color-card-inset: oklch(1 0 0 / 0.9);

  /* Sophisticated border system - Grey-Blue Theme */
  --color-border-primary: oklch(0.25 0.02 235);
  --color-border-secondary: oklch(0.31 0.025 235);
  --color-border-tertiary: oklch(0.4 0.035 235);
  --color-border-accent: var(--color-brand-primary);
  --color-border-focus: oklch(0.72 0.11 225);

  /* Enhanced status colors - Custom palette */
  --color-success: oklch(0.84 0.14 165); /* Custom green */
  --color-warning: oklch(0.72 0.16 65); /* Custom orange */
  --color-error: oklch(0.68 0.2 28);
  --color-info: oklch(0.68 0.125 225); /* Primary blue */

  /* New semantic colors - Grey-Blue Theme */
  --color-highlight: oklch(0.82 0.14 72); /* Orange highlight */
  --color-selection: oklch(0.35 0.06 225); /* Blue selection */
  --color-shadow-light: oklch(0.04 0.015 235);
  --color-shadow-medium: oklch(0.025 0.01 235);
  --color-shadow-heavy: oklch(0.01 0.005 235);
}

/* Light Theme - Grey-Blue Palette */
:root[data-theme="light"] {
  /* ===== CORE COLORS - LIGHT MODE ===== */
  /* Light Grey-Blue backgrounds with subtle tint */
  --color-bg-primary: oklch(0.98 0.008 225);
  --color-bg-secondary: oklch(1 0.005 225);
  --color-bg-tertiary: oklch(0.96 0.01 225);
  --color-bg-card: oklch(1 0.003 225);
  --color-bg-elevated: oklch(0.98 0.006 225);
  --color-bg-surface: oklch(0.95 0.012 225);
  --color-bg-muted: oklch(0.91 0.015 225);

  /* Text Colors - Adapted for light grey-blue */
  --color-text-primary: oklch(0.12 0.02 235);
  --color-text-secondary: oklch(0.22 0.025 235);
  --color-text-tertiary: oklch(0.38 0.03 235);
  --color-text-muted: oklch(0.52 0.025 235);
  --color-text-disabled: oklch(0.72 0.015 235);

  /* Border Colors - Light grey-blue theme */
  --color-border-primary: oklch(0.86 0.012 225);
  --color-border-secondary: oklch(0.76 0.018 225);
  --color-border-tertiary: oklch(0.58 0.025 225);
  --color-border-accent: var(--color-brand-primary);
  --color-border-focus: oklch(0.68 0.125 225);

  /* Status Colors - Your custom palette for light mode */
  --color-success: oklch(0.75 0.12 165); /* Darker green for light bg */
  --color-warning: oklch(0.65 0.14 65); /* Darker orange for light bg */
  --color-error: oklch(0.58 0.18 28);
  --color-info: oklch(0.58 0.11 225); /* Darker blue for light bg */

  /* Semantic colors for light mode */
  --color-highlight: oklch(0.75 0.12 68); /* Orange highlight */
  --color-selection: oklch(0.85 0.06 225); /* Light blue selection */
  --color-shadow-light: oklch(0.88 0.005 225);
  --color-shadow-medium: oklch(0.82 0.008 225);
  --color-shadow-heavy: oklch(0.75 0.01 225);
}

/* Auto Theme (System Preference) - Alias auf Light/Dark Theme */
/* :root[data-theme="auto"] intentionally left empty: auto ist jetzt ein Alias für hell/dunkel */

/*
 * AUTO-THEME: Erbt exakt die Werte von [data-theme="light"] oder [data-theme="dark"]
 * je nach Systempräferenz. Es gibt KEINE eigenen Variablen für auto mehr.
 *
 * Das wird so erreicht:
 * - [data-theme="auto"] hat KEINE eigenen Variablen.
 * - Die Media Queries für prefers-color-scheme setzen NUR das data-theme="auto" Attribut
 *   auf die Werte von [data-theme="light"] oder [data-theme="dark"].
 *
 * Das CSS-Design ist somit immer 100% identisch zu hell oder dunkel, je nach System.
 */

/*
 * AUTO-THEME: Erbt exakt die Werte von [data-theme="light"] oder [data-theme="dark"]
 * je nach Systempräferenz. Es gibt KEINE eigenen Variablen für auto mehr.
 *
 * Das CSS-Design ist somit immer 100% identisch zu hell oder dunkel, je nach System.

}

/* ===== CSS CUSTOM PROPERTIES (DESIGN TOKENS) ===== */
:root {
  /* Global Theme-unabhängige Eigenschaften */

  /* Status Colors */
  --color-success: oklch(0.78 0.2 162);
  --color-warning: oklch(0.7 0.18 65);
  --color-error: oklch(0.63 0.22 25);
  --color-info: oklch(0.65 0.15 220);

  /* ===== LIGHT MODE OVERRIDES - GREY-BLUE THEME ===== */
  --color-bg-primary-light: oklch(0.98 0.008 225);
  --color-bg-secondary-light: oklch(1 0.005 225);
  --color-bg-tertiary-light: oklch(0.96 0.01 225);
  --color-bg-card-light: oklch(1 0.003 225);
  --color-bg-elevated-light: oklch(0.98 0.006 225);
  --color-bg-surface-light: oklch(0.95 0.012 225);

  --color-text-primary-light: oklch(0.12 0.02 235);
  --color-text-secondary-light: oklch(0.22 0.025 235);
  --color-text-tertiary-light: oklch(0.38 0.03 235);
  --color-text-muted-light: oklch(0.52 0.025 235);
  --color-text-disabled-light: oklch(0.72 0.015 235);

  --color-border-primary-light: oklch(0.86 0.012 225);
  --color-border-secondary-light: oklch(0.76 0.018 225);
  --color-border-tertiary-light: oklch(0.58 0.025 225);

  /* ===== SPACING SYSTEM ===== */
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem; /* 8px */
  --space-3: 0.75rem; /* 12px */
  --space-4: 1rem; /* 16px */
  --space-5: 1.25rem; /* 20px */
  --space-6: 1.5rem; /* 24px */
  --space-8: 2rem; /* 32px */
  --space-10: 2.5rem; /* 40px */
  --space-12: 3rem; /* 48px */
  --space-16: 4rem; /* 64px */
  --space-20: 5rem; /* 80px */

  /* ===== TYPOGRAPHY SYSTEM ===== */
  --font-family-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-family-mono: "JetBrains Mono", "Fira Code", monospace;

  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* ===== BORDER RADIUS SYSTEM ===== */
  --radius-sm: 0.375rem; /* 6px */
  --radius-md: 0.5rem; /* 8px */
  --radius-lg: 0.75rem; /* 12px */
  --radius-xl: 1rem; /* 16px */
  --radius-2xl: 1.5rem; /* 24px */
  --radius-full: 9999px;

  /* ===== ENHANCED SHADOW SYSTEM - GREY-BLUE THEME ===== */
  --shadow-sm: 0 1px 2px 0 var(--color-shadow-light),
    0 1px 1px 0 oklch(0 0 0 / 0.06);
  --shadow-md: 0 4px 6px -1px var(--color-shadow-medium),
    0 2px 4px -1px oklch(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px var(--color-shadow-medium),
    0 4px 6px -2px oklch(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px var(--color-shadow-heavy),
    0 10px 10px -5px oklch(0 0 0 / 0.15);
  --shadow-2xl: 0 25px 50px -12px var(--color-shadow-heavy),
    0 15px 35px -5px oklch(0 0 0 / 0.2);
  --shadow-glow: 0 0 20px oklch(0.68 0.125 225 / 0.25),
    0 0 40px oklch(0.63 0.098 215 / 0.1);
  --shadow-glow-accent: 0 0 30px oklch(0.72 0.16 65 / 0.3);
  --shadow-glow-success: 0 0 25px oklch(0.84 0.14 165 / 0.25);
  --shadow-glow-error: 0 0 25px oklch(0.68 0.2 28 / 0.25);
  --shadow-glow-purple: 0 0 30px oklch(0.62 0.15 285 / 0.2);
  --shadow-glow-cyan: 0 0 25px oklch(0.63 0.098 215 / 0.2);
  --shadow-inner: inset 0 2px 4px 0 var(--color-shadow-light);
  --shadow-focus: 0 0 0 4px oklch(0.72 0.11 225 / 0.2),
    0 0 20px oklch(0.68 0.125 225 / 0.15);

  /* ===== ENHANCED GRADIENT SYSTEM - GREY-BLUE THEME ===== */
  --gradient-brand: linear-gradient(
    135deg,
    var(--color-brand-primary) 0%,
    var(--color-brand-light) 50%,
    var(--color-accent-cyan) 100%
  );
  --gradient-accent: linear-gradient(
    135deg,
    var(--color-brand-primary) 0%,
    var(--color-brand-light) 60%,
    var(--color-brand-light-alt) 100%
  );
  --gradient-accent-orange: linear-gradient(
    135deg,
    var(--color-accent-orange) 0%,
    var(--color-accent-orange-mid) 50%,
    var(--color-accent-orange-dark) 100%
  );
  --gradient-accent-green: linear-gradient(
    135deg,
    var(--color-accent-green) 0%,
    var(--color-accent-green-mid) 50%,
    var(--color-accent-green-dark) 100%
  );
  --gradient-accent-purple: linear-gradient(
    135deg,
    var(--color-accent-purple) 0%,
    var(--color-accent-purple-mid) 50%,
    var(--color-accent-purple-dark) 100%
  );
  --gradient-accent-cyan: linear-gradient(
    135deg,
    var(--color-accent-cyan) 0%,
    var(--color-accent-cyan-mid) 50%,
    var(--color-accent-cyan-dark) 100%
  );
  --gradient-surface: linear-gradient(
    135deg,
    var(--color-bg-secondary) 0%,
    var(--color-bg-card) 50%,
    var(--color-bg-elevated) 100%
  );
  --gradient-glass: linear-gradient(
    135deg,
    var(--color-glass-light) 0%,
    var(--color-glass-mid) 50%,
    var(--color-glass-dark) 100%
  );
  --gradient-shimmer: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-shimmer) 50%,
    transparent 100%
  );
  --gradient-mesh: radial-gradient(
      ellipse at top left,
      var(--color-mesh-light) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at bottom right,
      var(--color-mesh-mid) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at center,
      var(--color-mesh-dark) 0%,
      var(--color-bg-primary) 100%
    );

  /* ===== ANIMATION SYSTEM ===== */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;

  --easing-ease: ease;
  --easing-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --easing-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --easing-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --easing-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* ===== Z-INDEX SYSTEM ===== */
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-overlay: 30;
  --z-modal: 40;
  --z-tooltip: 50;

  /* ===== LAYOUT CONSTANTS ===== */
  --sidebar-width: 5rem; /* 80px - erweitert von 3rem für bessere Usability */
  --sidebar-expanded-width: 280px; /* Erweiterte Breite beim Hover */
  --header-height: 140px;
  --widget-gap: var(--space-6);
  --content-padding: var(--space-6);
  --bottom-safe-area: var(--space-8);
}

/* ===== LIGHT MODE THEME ===== */
[data-theme="light"] {
  --color-bg-primary: var(--color-bg-primary-light);
  --color-bg-secondary: var(--color-bg-secondary-light);
  --color-bg-tertiary: var(--color-bg-tertiary-light);
  --color-bg-card: var(--color-bg-card-light);
  --color-bg-elevated: var(--color-bg-elevated-light);
  --color-bg-surface: var(--color-bg-surface-light);

  --color-text-primary: var(--color-text-primary-light);
  --color-text-secondary: var(--color-text-secondary-light);
  --color-text-tertiary: var(--color-text-tertiary-light);
  --color-text-muted: var(--color-text-muted-light);
  --color-text-disabled: var(--color-text-disabled-light);

  --color-border-primary: var(--color-border-primary-light);
  --color-border-secondary: var(--color-border-secondary-light);
  --color-border-tertiary: var(--color-border-tertiary-light);

  --shadow-sm: 0 1px 2px 0 oklch(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px oklch(0 0 0 / 0.1),
    0 2px 4px -1px oklch(0 0 0 / 0.06);
  --shadow-lg: 0 10px 15px -3px oklch(0 0 0 / 0.1),
    0 4px 6px -2px oklch(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px oklch(0 0 0 / 0.1),
    0 10px 10px -5px oklch(0 0 0 / 0.04);
  --shadow-2xl: 0 25px 50px -12px oklch(0 0 0 / 0.15);
}

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

html {
  height: 100%;
  overflow-x: auto;
  overflow-y: auto;
}

body {
  font-family: var(--font-family-sans);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
}

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

.animate-fade-in {
  animation: fadeIn var(--duration-normal) var(--easing-ease-out) forwards;
}

.animate-slide-up {
  animation: slideUp var(--duration-normal) var(--easing-ease-out) forwards;
}

.animate-scale-in {
  animation: scaleIn var(--duration-normal) var(--easing-spring) forwards;
}

.animate-shimmer {
  position: relative;
  overflow: hidden;
}

.animate-shimmer::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: var(--gradient-shimmer);
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
}

/* ===== KEYFRAMES ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(var(--space-4));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-var(--space-1));
  }
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-secondary);
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) var(--easing-ease);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-tertiary);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-secondary) var(--color-bg-secondary);
}

/* ===== COMPONENT LIBRARY - REUSABLE UI ELEMENTS ===== */

/* ===== BUTTON SYSTEM ===== */
.btn {
  padding: var(--space-4) var(--space-8);
  border-radius: 20px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all 0.2s var(--easing-ease-out);
  border: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 140px;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-hover-shimmer) 50%,
    transparent 100%
  );
  transition: left 0.3s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-brand);
  color: white;
  box-shadow: 0 8px 16px oklch(0.65 0.15 220 / 0.3),
    inset 0 1px 0 var(--color-btn-inset-light);
}

.btn-primary:hover {
  background: var(--gradient-accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px oklch(0.65 0.15 220 / 0.4),
    inset 0 1px 0 var(--color-btn-inset-medium);
}

.btn-secondary {
  background: var(--color-btn-bg-light);
  border: 2px solid var(--color-btn-border-light);
  color: var(--color-text-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--color-btn-bg-medium);
  border-color: var(--color-btn-border-medium);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px oklch(0 0 0 / 0.1);
}

.btn-danger {
  background: linear-gradient(
    135deg,
    var(--color-error) 0%,
    var(--color-error-dark) 100%
  );
  color: white;
  box-shadow: 0 8px 16px oklch(0.63 0.22 25 / 0.3);
}

.btn-danger:hover {
  background: linear-gradient(
    135deg,
    var(--color-error-dark) 0%,
    var(--color-error-darker) 100%
  );
  transform: translateY(-2px);
  box-shadow: 0 12px 24px oklch(0.63 0.22 25 / 0.4);
}

/* ===== FORM SYSTEM ===== */
.form-group {
  display: grid;
  gap: var(--space-3);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-label i {
  color: var(--color-brand-primary);
  font-size: var(--font-size-base);
}

.form-input {
  padding: var(--space-4) var(--space-5);
  background: var(--color-form-bg-light);
  border: 2px solid var(--color-form-border-light);
  border-radius: 16px;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all 0.15s var(--easing-ease-out);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  background: var(--color-form-bg-focus);
  box-shadow: 0 0 0 4px oklch(0.65 0.15 220 / 0.1),
    0 8px 16px oklch(0.65 0.15 220 / 0.2);
  transform: translateY(-1px);
}

.form-input:hover {
  border-color: var(--color-form-border-medium);
  background: var(--color-form-bg-medium);
}

/* ===== CARD SYSTEM ===== */
.card {
  background: var(--gradient-surface);
  border: 1px solid oklch(0.65 0.15 220 / 0.1);
  border-radius: var(--radius-2xl);
  box-shadow: 0 4px 6px -1px oklch(0 0 0 / 0.1),
    0 2px 4px -2px oklch(0 0 0 / 0.1), inset 0 1px 0 var(--color-card-inset);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--easing-ease-out);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px oklch(0 0 0 / 0.1),
    0 4px 6px -4px oklch(0 0 0 / 0.1), inset 0 1px 0 var(--color-card-inset);
  border-color: var(--color-border-secondary);
}

.card-header {
  padding: var(--space-5) var(--space-6);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: relative;
  margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-6)) var(--space-6)
    calc(-1 * var(--space-6));
}

.card-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: var(--space-6);
  right: var(--space-6);
  height: 1px;
  background: var(--gradient-brand);
  opacity: 0.3;
}

.card-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.card-title i {
  color: var(--color-brand-primary);
  font-size: var(--font-size-base);
}

/* ===== STAT CARD SYSTEM ===== */
.stat-card {
  background: var(--gradient-glass);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--easing-ease-out);
}

.stat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-shimmer);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-ease);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-accent);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card.positive .stat-icon {
  background: var(--gradient-brand);
}

.stat-card.negative .stat-icon {
  background: linear-gradient(
    135deg,
    var(--color-error) 0%,
    var(--color-error-dark) 50%,
    var(--color-error-darker) 100%
  );
}

.stat-card.warning .stat-icon {
  background: var(--gradient-accent-orange);
}

.stat-card.info .stat-icon {
  background: var(--gradient-accent-cyan);
}

.stat-card.purple .stat-icon {
  background: var(--gradient-accent-purple);
}

.stat-card.clickable {
  cursor: pointer;
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px oklch(0 0 0 / 0.15), inset 0 1px 0 oklch(1 0 0 / 0.2);
}

.stat-content {
  flex: 1;
  position: relative;
  z-index: 1;
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

/* ===== BADGE SYSTEM ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: white;
  min-width: 20px;
  justify-content: center;
}

.badge-primary {
  background: var(--color-brand-primary);
}

.badge-success {
  background: var(--color-success);
}

.badge-warning {
  background: var(--color-warning);
}

.badge-error {
  background: var(--color-error);
}

.count-badge {
  background: var(--color-brand-primary);
  color: white;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  min-width: 20px;
  text-align: center;
}

/* ===== MODAL SYSTEM ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: oklch(0 0 0 / 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transform: scale(0.95);
  transition: all 0.2s ease-out;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.modal-content {
  background: var(--gradient-surface);
  border: 1px solid oklch(0.65 0.15 220 / 0.1);
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px oklch(0 0 0 / 0.25),
    inset 0 1px 0 var(--color-card-inset);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  position: relative;
  animation: modalSlideIn 0.2s ease-out;
  transform-origin: center;
}

.modal-header {
  padding: var(--space-8) var(--space-8) var(--space-6);
  background: linear-gradient(
    135deg,
    var(--color-modal-header-light) 0%,
    var(--color-modal-header-dark) 100%
  );
  border-bottom: 1px solid var(--color-modal-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.modal-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-brand);
  border-radius: 24px 24px 0 0;
}

.modal-title {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.modal-title i {
  width: 48px;
  height: 48px;
  background: var(--gradient-brand);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
  box-shadow: 0 8px 16px oklch(0.65 0.15 220 / 0.3),
    inset 0 1px 0 var(--color-btn-inset-light);
}

.modal-close {
  width: 48px;
  height: 48px;
  background: var(--color-btn-bg-light);
  border: 1px solid var(--color-btn-border-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: all 0.15s var(--easing-ease-out);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-close:hover {
  background: var(--color-error);
  border-color: var(--color-error);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 8px 16px oklch(0.63 0.22 25 / 0.4);
}

.modal-body {
  padding: var(--space-8);
  overflow-y: auto;
  max-height: calc(90vh - 200px);
  background: var(--gradient-glass);
}

.modal-open {
  overflow: hidden;
}

/* ===== NAVIGATION CONTROLS ===== */
.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-btn {
  width: 36px;
  height: 36px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--easing-ease-out);
  font-size: var(--font-size-sm);
}

.nav-btn:hover {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.current-period {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  min-width: 120px;
  text-align: center;
  font-family: var(--font-family-mono);
}

.today-btn {
  background: var(--gradient-accent);
  border-color: transparent;
  color: white;
  padding: 0 var(--space-3);
  width: auto;
  min-width: 60px;
  font-weight: var(--font-weight-medium);
}

.today-btn:hover {
  background: var(--gradient-brand);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

/* ===== ACTION BUTTON SYSTEM ===== */
.action-btn {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.action-btn:hover {
  background: var(--color-brand-primary);
  color: white;
  border-color: var(--color-brand-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ===== EMPTY STATE SYSTEM ===== */
.empty-state {
  text-align: center;
  padding: var(--space-16);
  color: var(--color-text-muted);
}

.empty-state i {
  font-size: 2rem;
  margin-bottom: var(--space-4);
  color: var(--color-brand-primary);
}

.empty-state h3 {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
}

.empty-state p {
  margin: 0;
  color: var(--color-text-secondary);
}

/* ===== ALERT SYSTEM ===== */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  margin-bottom: var(--space-4);
}

.alert-info {
  background: linear-gradient(
    135deg,
    var(--color-alert-info-light) 0%,
    var(--color-alert-info-dark) 100%
  );
  border-color: var(--color-alert-info-border);
  color: var(--color-text-primary);
}

.alert-success {
  background: linear-gradient(
    135deg,
    var(--color-alert-success-light) 0%,
    var(--color-alert-success-dark) 100%
  );
  border-color: var(--color-alert-success-border);
  color: var(--color-text-primary);
}

.alert-warning {
  background: linear-gradient(
    135deg,
    var(--color-alert-warning-light) 0%,
    var(--color-alert-warning-dark) 100%
  );
  border-color: var(--color-alert-warning-border);
  color: var(--color-text-primary);
}

.alert-error {
  background: linear-gradient(
    135deg,
    var(--color-alert-error-light) 0%,
    var(--color-alert-error-dark) 100%
  );
  border-color: var(--color-alert-error-border);
  color: var(--color-text-primary);
}

/* ===== LOADING STATE SYSTEM ===== */
.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border-primary);
  border-top: 4px solid var(--color-brand-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin: auto;
}

.loading-skeleton {
  background: var(--gradient-glass);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.loading-skeleton::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: var(--gradient-shimmer);
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
}

/* ===== ADDITIONAL KEYFRAMES ===== */
@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
    filter: blur(2px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ===== UTILITY HOVER EFFECTS ===== */
.hover-lift {
  transition: transform var(--duration-normal) var(--easing-ease-out);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale {
  transition: transform var(--duration-fast) var(--easing-ease-out);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow {
  position: relative;
  transition: all var(--duration-normal) var(--easing-ease-out);
}

.hover-glow::after {
  content: "";
  position: absolute;
  inset: -2px;
  background: var(--gradient-brand);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(8px);
  transition: opacity var(--duration-normal) var(--easing-ease-out);
}

.hover-glow:hover::after {
  opacity: 0.3;
}

/* ===== FADE-IN ANIMATION SYSTEM ===== */
.fade-in-ready {
  opacity: 0 !important;
  transform: translateY(var(--space-4)) !important;
  transition: all var(--duration-slow) var(--easing-ease-out) !important;
  visibility: visible !important;
}

.fade-in-ready.animate {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Staggered animation delays */
.fade-in-ready:nth-child(1) {
  transition-delay: 0ms !important;
}
.fade-in-ready:nth-child(2) {
  transition-delay: 100ms !important;
}
.fade-in-ready:nth-child(3) {
  transition-delay: 200ms !important;
}
.fade-in-ready:nth-child(4) {
  transition-delay: 300ms !important;
}
.fade-in-ready:nth-child(5) {
  transition-delay: 400ms !important;
}
.fade-in-ready:nth-child(6) {
  transition-delay: 500ms !important;
}
.fade-in-ready:nth-child(7) {
  transition-delay: 600ms !important;
}
.fade-in-ready:nth-child(8) {
  transition-delay: 700ms !important;
}
.fade-in-ready:nth-child(9) {
  transition-delay: 800ms !important;
}
.fade-in-ready:nth-child(10) {
  transition-delay: 900ms !important;
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 768px) {
  .modal-overlay {
    padding: var(--space-2);
  }

  .modal-content {
    max-width: 100%;
    max-height: 95vh;
  }

  .modal-header {
    padding: var(--space-4);
  }

  .modal-body {
    padding: var(--space-4);
  }

  .btn {
    min-width: 120px;
    padding: var(--space-3) var(--space-6);
  }

  .card {
    padding: var(--space-4);
  }

  .stat-card {
    padding: var(--space-3);
  }
}

/* ===== LIGHT MODE SPECIFIC STYLES ===== */
[data-theme="light"] {
  /* Card improvements for light mode */
  .card {
    background: var(--gradient-surface);
    border: 1px solid oklch(0.65 0.15 220 / 0.1);
    box-shadow: 0 4px 6px -1px oklch(0 0 0 / 0.1),
      0 2px 4px -2px oklch(0 0 0 / 0.1), inset 0 1px 0 oklch(1 0 0 / 0.9);
  }

  .card:hover {
    box-shadow: 0 10px 15px -3px oklch(0 0 0 / 0.1),
      0 4px 6px -4px oklch(0 0 0 / 0.1), inset 0 1px 0 oklch(1 0 0 / 0.9);
  }

  /* Button improvements */
  .btn-primary {
    box-shadow: 0 4px 14px 0 oklch(0.65 0.15 220 / 0.3),
      inset 0 1px 0 oklch(1 0 0 / 0.4);
  }

  .btn-primary:hover {
    box-shadow: 0 8px 25px 0 oklch(0.65 0.15 220 / 0.4),
      inset 0 1px 0 oklch(1 0 0 / 0.5);
  }

  .btn-secondary {
    background: oklch(0.65 0.15 220 / 0.05);
    border: 1px solid oklch(0.65 0.15 220 / 0.2);
    color: var(--color-text-primary);
  }

  .btn-secondary:hover {
    background: oklch(0.65 0.15 220 / 0.1);
    border-color: oklch(0.65 0.15 220 / 0.3);
  }

  /* Alert improvements */
  .alert {
    border: 1px solid;
    box-shadow: var(--shadow-sm);
  }

  .alert-info {
    background: linear-gradient(
      135deg,
      var(--color-alert-info-light) 0%,
      var(--color-alert-info-dark) 100%
    );
    border-color: var(--color-alert-info-border);
  }

  .alert-success {
    background: linear-gradient(
      135deg,
      var(--color-alert-success-light) 0%,
      var(--color-alert-success-dark) 100%
    );
    border-color: var(--color-alert-success-border);
  }

  .alert-warning {
    background: linear-gradient(
      135deg,
      var(--color-alert-warning-light) 0%,
      var(--color-alert-warning-dark) 100%
    );
    border-color: var(--color-alert-warning-border);
  }

  .alert-error {
    background: linear-gradient(
      135deg,
      var(--color-alert-error-light) 0%,
      var(--color-alert-error-dark) 100%
    );
    border-color: var(--color-alert-error-border);
  }

  /* Input improvements */
  .form-input,
  .form-select,
  .form-textarea {
    background: var(--color-bg-secondary);
    border: 1px solid oklch(0.65 0.15 220 / 0.2);
    box-shadow: inset 0 1px 2px oklch(0 0 0 / 0.05),
      0 1px 1px var(--color-card-inset);
  }

  .form-input:focus,
  .form-select:focus,
  .form-textarea:focus {
    border-color: var(--color-brand-primary);
    box-shadow: inset 0 1px 2px oklch(0 0 0 / 0.05),
      0 0 0 3px oklch(0.65 0.15 220 / 0.1);
  }

  /* Modal improvements */
  .modal-content {
    background: var(--gradient-surface);
    border: 1px solid oklch(0.65 0.15 220 / 0.1);
    box-shadow: 0 25px 50px -12px oklch(0 0 0 / 0.25),
      inset 0 1px 0 var(--color-card-inset);
  }

  /* Sidebar specific light mode improvements - Grey-Blue */
  .sidebar {
    border-right-color: oklch(0.68 0.125 225 / 0.15);
    box-shadow: 4px 0 24px -2px oklch(0 0 0 / 0.1),
      inset -1px 0 0 var(--color-card-inset);
  }

  .sidebar-item {
    background: transparent;
  }

  .sidebar-item:hover {
    background: linear-gradient(
      135deg,
      var(--color-sidebar-hover-light) 0%,
      var(--color-sidebar-hover-dark) 100%
    );
    border: 1px solid var(--color-sidebar-hover-border);
  }
}

/* ===== IMPROVED AUTO THEME SUPPORT - GREY-BLUE ===== */

/* Stat card improvements for light mode */
.stat-card {
  background: var(--gradient-surface);
  border: 1px solid oklch(0.65 0.15 220 / 0.15);
  box-shadow: 0 2px 8px oklch(0 0 0 / 0.08), inset 0 1px 0 oklch(1 0 0 / 0.6);
}

.stat-card:hover {
  box-shadow: 0 8px 25px oklch(0 0 0 / 0.12), inset 0 1px 0 oklch(1 0 0 / 0.8);
}

.stat-icon {
  box-shadow: 0 3px 10px oklch(0 0 0 / 0.2), inset 0 1px 0 oklch(1 0 0 / 0.3);
}

/* ===== DASHBOARD HEADER SYSTEM ===== */
.dashboard-header {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-lg);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.dashboard-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-brand);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}

.greeting-section h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: var(--color-text-primary);
  background: var(--gradient-brand);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.greeting-section .subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-top: var(--space-2);
  font-weight: var(--font-weight-medium);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  background: var(--color-btn-bg-light);
  border: 1px solid var(--color-btn-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--easing-ease-out);
  font-size: var(--font-size-lg);
}

.theme-toggle:hover {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Stamp Button in Header */
.header-stamp-button {
  background: var(--gradient-brand);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  color: white;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-ease-out);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.header-stamp-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-hover-shimmer) 50%,
    transparent 100%
  );
  transition: left 0.3s ease;
}

.header-stamp-button:hover::before {
  left: 100%;
}

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

/* ===== THEME-SPECIFIC HEADER ADJUSTMENTS ===== */
[data-theme="light"] .dashboard-header {
  background: var(--gradient-surface);
  border: 1px solid oklch(0.65 0.15 220 / 0.15);
  box-shadow: 0 8px 25px oklch(0 0 0 / 0.08), inset 0 1px 0 oklch(1 0 0 / 0.7);
}

[data-theme="light"] .greeting-section h1 {
  background: var(--gradient-brand);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .dashboard-header,
:root[data-theme="dark"] .dashboard-header {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border-primary);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .greeting-section h1,
:root[data-theme="dark"] .greeting-section h1 {
  background: var(--gradient-brand);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Auto theme header adjustments */