/* ========================================
   RGPL Cartographie - Design System Tokens
   CSS Custom Properties (Variables)
   ======================================== */

/* ========================================
   📦 COMPONENT IMPORTS
   ======================================== */

/* Common styles (buttons, cards, tables, tooltips) */
@import url('./common.css');

/* Component styles (navigation, KPIs, widgets, toggles) */
@import url('./components.css');

/* Chart styles (D3 harmonization) */
@import url('./charts.css');

/* Notification styles */
@import url('./notifications.css');

/* Page-specific styles */
@import url('./page-structures.css');
@import url('./page-population.css');
@import url('./page-localities.css');

/* Documentation styles */
@import url('./documentation.css');

/* ========================================
   🔤 FONT IMPORTS
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap');

/* ========================================
   GLOBAL STYLES (Elegant & Refined)
   ======================================= */

body {
    background-color: #fafafa;
    color: var(--color-text-primary);
}



/* ========================================
   🎨 COLOR SYSTEM
   ======================================== */

:root {
  /* Primary Colors - Gabon Flag Inspired */
  --color-primary-50: #e6f0ff;
  --color-primary-100: #b3ccff;
  --color-primary-200: #80a8ff;
  --color-primary-300: #4d84ff;
  --color-primary-400: #1a60ff;
  --color-primary-500: #004080;  /* Main primary - RGPL Blue */
  --color-primary-600: #003366;
  --color-primary-700: #00264d;
  --color-primary-800: #001a33;
  --color-primary-900: #000d1a;

  /* Secondary Colors - Green (Gabon) */
  --color-secondary-50: #e8f5e8;
  --color-secondary-100: #c3e6c3;
  --color-secondary-200: #9dd69d;
  --color-secondary-300: #77c777;
  --color-secondary-400: #51b851;
  --color-secondary-500: #2ba92b;  /* Main secondary */
  --color-secondary-600: #228a22;
  --color-secondary-700: #1a6b1a;
  --color-secondary-800: #124c12;
  --color-secondary-900: #0a2d0a;

  /* Accent Colors - Yellow (Gabon) */
  --color-accent-50: #fff9e6;
  --color-accent-100: #ffedb3;
  --color-accent-200: #ffe180;
  --color-accent-300: #ffd54d;
  --color-accent-400: #ffc91a;
  --color-accent-500: #ffbd00;  /* Main accent */
  --color-accent-600: #cc9700;
  --color-accent-700: #997100;
  --color-accent-800: #664b00;
  --color-accent-900: #332500;

  /* Service Colors - Harmonized with RGPL primary blue */
  --color-water: var(--color-primary-500);      /* RGPL Blue for water */
  --color-electricity: var(--color-primary-600); /* Darker RGPL blue for electricity */
  --color-transport: var(--color-primary-400);   /* Lighter RGPL blue for transport */
  --color-fiber: var(--color-primary-700);       /* Darkest RGPL blue for fiber */

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #e9ecef;
  --color-gray-200: #dee2e6;
  --color-gray-300: #ced4da;
  --color-gray-400: #adb5bd;
  --color-gray-500: #6c757d;
  --color-gray-600: #495057;
  --color-gray-700: #343a40;
  --color-gray-800: #212529;
  --color-gray-900: #0d1117;
  --color-black: #000000;

  /* Semantic Colors */
  --color-success: var(--color-secondary-500);
  --color-warning: var(--color-accent-500);
  --color-error: #dc3545;
  --color-info: var(--color-primary-500);

  /* Background Colors */
  --color-bg-primary: #fafafa;
  --color-bg-secondary: var(--color-gray-50);
  --color-bg-tertiary: var(--color-gray-100);
  --color-bg-dark: var(--color-gray-800);
  --color-bg-overlay: rgba(0, 0, 0, 0.5);

  /* Text Colors */
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-tertiary: var(--color-gray-500);
  --color-text-inverse: var(--color-white);
  --color-text-muted: var(--color-gray-400);

  /* Border Colors */
  --color-border-light: var(--color-gray-200);
  --color-border-lighter: var(--color-gray-100);
  --color-border-medium: var(--color-gray-300);
  --color-border-dark: var(--color-gray-400);
  --color-border-focus: var(--color-primary-500);
}

/* ========================================
   📝 TYPOGRAPHY SYSTEM
   ======================================== */

:root {
  /* Font Families */
  --font-family-primary: 'Poppins', 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-family-secondary: 'Poppins', 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'Fira Code', 'Monaco', 'Consolas', 'Liberation Mono', 'Courier New', monospace;

  /* Font Sizes - Fluid Typography */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);    /* 12-14px */
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);     /* 14-16px */
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);      /* 16-18px */
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);     /* 18-20px */
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);      /* 20-24px */
  --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 1.875rem);       /* 24-30px */
  --font-size-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.25rem);  /* 30-36px */
  --font-size-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 3rem);       /* 36-48px */
  --font-size-5xl: clamp(3rem, 2.5rem + 2.5vw, 4rem);           /* 48-64px */

  /* Font Weights */
  --font-weight-thin: 100;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;

  /* Line Heights */
  --line-height-none: 1;
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Letter Spacing */
  --letter-spacing-tighter: -0.05em;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0em;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;
}

/* ========================================
   📏 SPACING SYSTEM
   ======================================== */

:root {
  /* Spacing Scale - 8px base unit */
  --space-0: 0;
  --space-px: 1px;
  --space-0_5: 0.125rem;  /* 2px */
  --space-1: 0.25rem;     /* 4px */
  --space-1_5: 0.375rem;  /* 6px */
  --space-2: 0.5rem;      /* 8px */
  --space-2_5: 0.625rem;  /* 10px */
  --space-3: 0.75rem;     /* 12px */
  --space-3_5: 0.875rem;  /* 14px */
  --space-4: 1rem;        /* 16px */
  --space-5: 1.25rem;     /* 20px */
  --space-6: 1.5rem;      /* 24px */
  --space-7: 1.75rem;     /* 28px */
  --space-8: 2rem;        /* 32px */
  --space-9: 2.25rem;     /* 36px */
  --space-10: 2.5rem;     /* 40px */
  --space-11: 2.75rem;    /* 44px */
  --space-12: 3rem;       /* 48px */
  --space-14: 3.5rem;     /* 56px */
  --space-16: 4rem;       /* 64px */
  --space-20: 5rem;       /* 80px */
  --space-24: 6rem;       /* 96px */
  --space-28: 7rem;       /* 112px */
  --space-32: 8rem;       /* 128px */
  --space-36: 9rem;       /* 144px */
  --space-40: 10rem;      /* 160px */
  --space-44: 11rem;      /* 176px */
  --space-48: 12rem;      /* 192px */
  --space-52: 13rem;      /* 208px */
  --space-56: 14rem;      /* 224px */
  --space-60: 15rem;      /* 240px */
  --space-64: 16rem;      /* 256px */
  --space-72: 18rem;      /* 288px */
  --space-80: 20rem;      /* 320px */
  --space-96: 24rem;      /* 384px */

  /* Semantic Spacing */
  --space-xs: var(--space-1);
  --space-sm: var(--space-2);
  --space-md: var(--space-4);
  --space-lg: var(--space-6);
  --space-xl: var(--space-8);
  --space-2xl: var(--space-12);
  --space-3xl: var(--space-16);
  --space-4xl: var(--space-24);
  --space-5xl: var(--space-32);
}

/* ========================================
   🎭 BORDER SYSTEM
   ======================================== */

:root {
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;   /* 2px */
  --radius-base: 0.25rem;  /* 4px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-3xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* Border Widths */
  --border-0: 0;
  --border-1: 1px;
  --border-2: 2px;
  --border-4: 4px;
  --border-8: 8px;

  /* Border Styles */
  --border-solid: solid;
  --border-dashed: dashed;
  --border-dotted: dotted;
  --border-double: double;
  --border-none: none;
}

/* ========================================
   🌟 SHADOW SYSTEM
   ======================================== */

:root {
  /* Box Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-none: 0 0 #0000;

  /* Colored Shadows */
  --shadow-primary: 0 4px 14px 0 rgba(var(--color-primary-500), 0.39);
  --shadow-secondary: 0 4px 14px 0 rgba(var(--color-secondary-500), 0.39);
  --shadow-error: 0 4px 14px 0 rgba(220, 53, 69, 0.39);
  --shadow-warning: 0 4px 14px 0 rgba(var(--color-accent-500), 0.39);
}

/* ========================================
   ⚡ TRANSITION SYSTEM
   ======================================== */

:root {
  /* Transition Durations */
  --duration-75: 75ms;
  --duration-100: 100ms;
  --duration-150: 150ms;
  --duration-200: 200ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;

  /* Transition Timing Functions */
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Common Transitions */
  --transition-fast: var(--duration-150) var(--ease-out);
  --transition-normal: var(--duration-200) var(--ease-out);
  --transition-slow: var(--duration-300) var(--ease-out);
  --transition-bounce: var(--duration-300) var(--ease-bounce);
}

/* ========================================
   🎬 GSAP ANIMATION SYSTEM
   ======================================== */

:root {
  /* GSAP Durations (in seconds) */
  --gsap-duration-fast: 0.15;
  --gsap-duration-normal: 0.3;
  --gsap-duration-slow: 0.5;
  --gsap-duration-slower: 0.8;
  
  /* GSAP Easing Functions */
  --gsap-ease-power2-out: "power2.out";
  --gsap-ease-power2-in: "power2.in";
  --gsap-ease-power2-inOut: "power2.inOut";
  --gsap-ease-power3-out: "power3.out";
  --gsap-ease-power3-in: "power3.in";
  --gsap-ease-power3-inOut: "power3.inOut";
  --gsap-ease-back-out: "back.out(1.7)";
  --gsap-ease-back-in: "back.in(1.7)";
  --gsap-ease-back-inOut: "back.inOut(1.7)";
  --gsap-ease-elastic-out: "elastic.out(1, 0.3)";
  --gsap-ease-bounce-out: "bounce.out";
  
  /* Common Animation Values */
  --gsap-scale-hover: 1.05;
  --gsap-scale-click: 0.95;
  --gsap-scale-bounce: 1.1;
  --gsap-y-hide: -100;
  --gsap-y-show: 0;
  --gsap-opacity-hide: 0;
  --gsap-opacity-show: 1;
  --gsap-rotation-hover: 5;
  --gsap-rotation-reset: 0;
  
  /* Header Animation Values */
  --gsap-header-hide-y: -100;
  --gsap-header-hide-opacity: 0;
  --gsap-header-show-y: 0;
  --gsap-header-show-opacity: 1;
  --gsap-header-duration: 0.3;
  --gsap-header-ease: "power2.inOut";
}

/* ========================================
   📱 BREAKPOINT SYSTEM
   ======================================== */

:root {
  /* Breakpoint Values */
  --breakpoint-xs: 0;
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;

  /* Container Max Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  --container-full: 100%;
}

/* ========================================
   🎯 Z-INDEX SYSTEM
   ======================================== */

:root {
  --z-index-hide: -1;
  --z-index-auto: auto;
  --z-index-base: 0;
  --z-index-docked: 10;
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-skip-link: 1070;
  --z-index-toast: 1080;
  --z-index-tooltip: 1090;
}

/* ========================================
   🗺️ MAP SPECIFIC VARIABLES
   ======================================== */

:root {
  /* Map Colors */
  --map-water-color: var(--color-water);
  --map-electricity-color: var(--color-electricity);
  --map-transport-color: var(--color-transport);
  --map-fiber-color: var(--color-fiber);

  /* Map Opacity */
  --map-opacity-low: 0.3;
  --map-opacity-medium: 0.6;
  --map-opacity-high: 0.9;

  /* Map Sizes */
  --map-marker-size-sm: 1rem;
  --map-marker-size-md: 1.5rem;
  --map-marker-size-lg: 2rem;
  --map-marker-size-xl: 2.5rem;

  /* Map Controls */
  --map-control-bg: rgba(255, 255, 255, 0.95);
  --map-control-border: var(--color-border-light);
  --map-control-radius: var(--radius-lg);
  --map-control-shadow: var(--shadow-md);
}

/* ========================================
   🌙 DARK MODE SUPPORT
   ======================================== */

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark mode color overrides */
    --color-bg-primary: var(--color-gray-900);
    --color-bg-secondary: var(--color-gray-800);
    --color-bg-tertiary: var(--color-gray-700);
    
    --color-text-primary: var(--color-gray-100);
    --color-text-secondary: var(--color-gray-300);
    --color-text-tertiary: var(--color-gray-400);
    
    --color-border-light: var(--color-gray-700);
    --color-border-medium: var(--color-gray-600);
    --color-border-dark: var(--color-gray-500);
  }
}

/* ========================================
   🎨 THEME VARIATIONS
   ======================================== */

/* High Contrast Theme */
[data-theme="high-contrast"] {
  --color-primary-500: #0000ff;
  --color-secondary-500: #00ff00;
  --color-text-primary: #000000;
  --color-bg-primary: #ffffff;
  --border-width: 2px;
}

/* Reduced Motion Theme */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-normal: 0ms;
    --transition-slow: 0ms;
    --transition-bounce: 0ms;
  }
}


/* ========================================
   🔤 BASE TYPOGRAPHY
   ======================================== */

/* Apply Poppins as default font for all elements */
* {
  font-family: var(--font-family-primary);
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
}

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

/* Spacing Utilities */
.space-y-0 > * + * { margin-top: var(--space-0); }
.space-y-1 > * + * { margin-top: var(--space-1); }
.space-y-2 > * + * { margin-top: var(--space-2); }
.space-y-4 > * + * { margin-top: var(--space-4); }
.space-y-6 > * + * { margin-top: var(--space-6); }
.space-y-8 > * + * { margin-top: var(--space-8); }

/* Color Utilities */
.text-primary { color: var(--color-primary-500); }
.text-secondary { color: var(--color-secondary-500); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-info { color: var(--color-info); }

.bg-primary { background-color: var(--color-primary-500); }
.bg-secondary { background-color: var(--color-secondary-500); }
.bg-success { background-color: var(--color-success); }
.bg-warning { background-color: var(--color-warning); }
.bg-error { background-color: var(--color-error); }
.bg-info { background-color: var(--color-info); }

/* Border Utilities */
.border { border: var(--border-1) var(--border-solid) var(--color-border-light); }
.border-primary { border-color: var(--color-primary-500); }
.border-secondary { border-color: var(--color-secondary-500); }
.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow Utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Transition Utilities */
.transition { transition: all var(--transition-normal); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

/* ========================================
   🔄 LOADER SYSTEM
   ======================================== */

:root {
  /* Loader Colors */
  --loader-bg-primary: var(--color-primary-500);
  --loader-bg-secondary: var(--color-primary-300);
  --loader-bg-accent: var(--color-primary-700);
  
  /* Loader Sizes */
  --loader-size: 96px;
  --loader-square-size: 28px;
  --loader-square-margin: 2px;
  
  /* Loader Animation */
  --loader-duration: 10s;
  --loader-ease: ease-in-out;
  
  /* Loader Z-Index */
  --loader-z-index: 99999;
}

/* ========================================
   🔄 LOADER STYLES
   ======================================== */

/* Loader Container */
.loader {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg) scale(0.8);
  width: var(--loader-size);
  height: var(--loader-size);
  z-index: var(--loader-z-index);
  display: none;
  opacity: 0;
  transition: all var(--transition-normal);
}

.loader.show {
  display: block;
  opacity: 1;
  transform: translate(-50%, -50%) rotate(45deg) scale(1);
}

/* Loader Squares */
.loader-square {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--loader-square-size);
  height: var(--loader-square-size);
  margin: var(--loader-square-margin);
  border-radius: var(--radius-sm);
  background: var(--loader-bg-primary);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  animation: square-animation var(--loader-duration) var(--loader-ease) infinite both;
  box-shadow: var(--shadow-sm);
}

/* Square Animation Keyframes */
@keyframes square-animation {
  0% {
    left: 0;
    top: 0;
  }

  10.5% {
    left: 0;
    top: 0;
  }

  12.5% {
    left: 32px;
    top: 0;
  }

  23% {
    left: 32px;
    top: 0;
  }

  25% {
    left: 64px;
    top: 0;
  }

  35.5% {
    left: 64px;
    top: 0;
  }

  37.5% {
    left: 64px;
    top: 32px;
  }

  48% {
    left: 64px;
    top: 32px;
  }

  50% {
    left: 32px;
    top: 32px;
  }

  60.5% {
    left: 32px;
    top: 32px;
  }

  62.5% {
    left: 32px;
    top: 64px;
  }

  73% {
    left: 32px;
    top: 64px;
  }

  75% {
    left: 0;
    top: 64px;
  }

  85.5% {
    left: 0;
    top: 64px;
  }

  87.5% {
    left: 0;
    top: 32px;
  }

  98% {
    left: 0;
    top: 32px;
  }

  100% {
    left: 0;
    top: 0;
  }
}

/* Loader Square Delays */
.loader-square:nth-of-type(1) {
  animation-delay: 0s;
  background: var(--loader-bg-primary);
}

.loader-square:nth-of-type(2) {
  animation-delay: -1.4285714286s;
  background: var(--loader-bg-secondary);
}

.loader-square:nth-of-type(3) {
  animation-delay: -2.8571428571s;
  background: var(--loader-bg-accent);
}

.loader-square:nth-of-type(4) {
  animation-delay: -4.2857142857s;
  background: var(--loader-bg-primary);
}

.loader-square:nth-of-type(5) {
  animation-delay: -5.7142857143s;
  background: var(--loader-bg-secondary);
}

.loader-square:nth-of-type(6) {
  animation-delay: -7.1428571429s;
  background: var(--loader-bg-accent);
}

.loader-square:nth-of-type(7) {
  animation-delay: -8.5714285714s;
  background: var(--loader-bg-primary);
}

/* Loader Overlay */
.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  z-index: calc(var(--loader-z-index) - 1);
  display: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.loader-overlay.show {
  display: block;
  opacity: 1;
}

/* Dark Mode Loader */
@media (prefers-color-scheme: dark) {
  .loader-overlay {
    background: rgba(0, 0, 0, 0.8);
  }
  
  .loader-square {
    box-shadow: var(--shadow-sm);
  }
}

/* Responsive Loader */
@media (max-width: 768px) {
  :root {
    --loader-size: 72px;
    --loader-square-size: 20px;
  }
}

@media (max-width: 480px) {
  :root {
    --loader-size: 64px;
    --loader-square-size: 18px;
  }
}