/**
 * 2MD Solarpunk Design System
 * Version: 1.0.0
 *
 * Philosophie: Tech ethique, bio-inspire, optimiste
 * Palette: Verts naturels, terres chaudes, tech cyan
 */

/* ========================================
   TOKENS - Couleurs
   ======================================== */

:root {
  /* Primaire - Vert croissance */
  --tmd-green-50: #f0fdf4;
  --tmd-green-100: #dcfce7;
  --tmd-green-200: #bbf7d0;
  --tmd-green-300: #86efac;
  --tmd-green-400: #4ade80;
  --tmd-green-500: #22c55e;
  --tmd-green-600: #16a34a;
  --tmd-green-700: #15803d;
  --tmd-green-800: #166534;
  --tmd-green-900: #14532d;

  /* Secondaire - Ambre solaire */
  --tmd-amber-50: #fffbeb;
  --tmd-amber-100: #fef3c7;
  --tmd-amber-200: #fde68a;
  --tmd-amber-300: #fcd34d;
  --tmd-amber-400: #fbbf24;
  --tmd-amber-500: #f59e0b;
  --tmd-amber-600: #d97706;
  --tmd-amber-700: #b45309;
  --tmd-amber-800: #92400e;
  --tmd-amber-900: #78350f;

  /* Accent - Cyan nature */
  --tmd-cyan-50: #ecfeff;
  --tmd-cyan-100: #cffafe;
  --tmd-cyan-200: #a5f3fc;
  --tmd-cyan-300: #67e8f9;
  --tmd-cyan-400: #22d3ee;
  --tmd-cyan-500: #06b6d4;
  --tmd-cyan-600: #0891b2;
  --tmd-cyan-700: #0e7490;
  --tmd-cyan-800: #155e75;
  --tmd-cyan-900: #164e63;

  /* Neutre - Ardoise */
  --tmd-slate-50: #f8fafc;
  --tmd-slate-100: #f1f5f9;
  --tmd-slate-200: #e2e8f0;
  --tmd-slate-300: #cbd5e1;
  --tmd-slate-400: #94a3b8;
  --tmd-slate-500: #64748b;
  --tmd-slate-600: #475569;
  --tmd-slate-700: #334155;
  --tmd-slate-800: #1e293b;
  --tmd-slate-900: #0f172a;

  /* Semantiques */
  --tmd-success: var(--tmd-green-600);
  --tmd-warning: var(--tmd-amber-500);
  --tmd-error: #ef4444;
  --tmd-info: var(--tmd-cyan-500);

  /* Theme clair */
  --tmd-bg-primary: #fefce8;
  --tmd-bg-secondary: #f8fafc;
  --tmd-bg-elevated: #ffffff;
  --tmd-text-primary: var(--tmd-slate-900);
  --tmd-text-secondary: var(--tmd-slate-600);
  --tmd-text-tertiary: var(--tmd-slate-500);
  --tmd-border: var(--tmd-slate-200);
  --tmd-border-hover: var(--tmd-green-300);

  /* Gradients organiques */
  --tmd-gradient-hero: linear-gradient(135deg, #f0fdf4 0%, #fefce8 100%);
  --tmd-gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --tmd-gradient-accent: linear-gradient(135deg, #22c55e 0%, #06b6d4 100%);
}

/* Theme sombre */
[data-theme="dark"] {
  --tmd-bg-primary: var(--tmd-slate-900);
  --tmd-bg-secondary: var(--tmd-slate-800);
  --tmd-bg-elevated: var(--tmd-slate-700);
  --tmd-text-primary: var(--tmd-slate-50);
  --tmd-text-secondary: var(--tmd-slate-300);
  --tmd-text-tertiary: var(--tmd-slate-400);
  --tmd-border: var(--tmd-slate-700);
  --tmd-border-hover: var(--tmd-green-500);

  --tmd-gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --tmd-gradient-card: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

/* ========================================
   TOKENS - Typographie
   ======================================== */

:root {
  --tmd-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                   "Helvetica Neue", Arial, sans-serif;
  --tmd-font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
  --tmd-font-mono: ui-monospace, "JetBrains Mono", "Cascadia Code",
                   "Source Code Pro", Menlo, Consolas, monospace;

  --tmd-text-xs: 0.75rem;
  --tmd-text-sm: 0.875rem;
  --tmd-text-base: 1rem;
  --tmd-text-lg: 1.125rem;
  --tmd-text-xl: 1.25rem;
  --tmd-text-2xl: 1.563rem;
  --tmd-text-3xl: 1.953rem;
  --tmd-text-4xl: 2.441rem;
  --tmd-text-5xl: 3.052rem;

  --tmd-font-normal: 400;
  --tmd-font-medium: 500;
  --tmd-font-semibold: 600;
  --tmd-font-bold: 700;

  --tmd-leading-tight: 1.25;
  --tmd-leading-snug: 1.375;
  --tmd-leading-normal: 1.5;
  --tmd-leading-relaxed: 1.75;
  --tmd-leading-loose: 2;
}

/* ========================================
   TOKENS - Espacement
   ======================================== */

:root {
  --tmd-space-0: 0;
  --tmd-space-1: 0.25rem;
  --tmd-space-2: 0.5rem;
  --tmd-space-3: 0.75rem;
  --tmd-space-4: 1rem;
  --tmd-space-5: 1.25rem;
  --tmd-space-6: 1.5rem;
  --tmd-space-8: 2rem;
  --tmd-space-10: 2.5rem;
  --tmd-space-12: 3rem;
  --tmd-space-16: 4rem;
  --tmd-space-20: 5rem;
  --tmd-space-24: 6rem;
}

/* ========================================
   TOKENS - Bordures & Ombres
   ======================================== */

:root {
  --tmd-radius-sm: 0.375rem;
  --tmd-radius-md: 0.5rem;
  --tmd-radius-lg: 0.75rem;
  --tmd-radius-xl: 1rem;
  --tmd-radius-2xl: 1.5rem;
  --tmd-radius-full: 9999px;

  --tmd-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --tmd-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1),
                   0 2px 4px -2px rgb(0 0 0 / 0.1);
  --tmd-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
                   0 4px 6px -4px rgb(0 0 0 / 0.1);
  --tmd-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
                   0 8px 10px -6px rgb(0 0 0 / 0.1);
  --tmd-shadow-green: 0 4px 14px 0 rgba(34, 197, 94, 0.15);
}

/* ========================================
   TOKENS - Transitions
   ======================================== */

:root {
  --tmd-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --tmd-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --tmd-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --tmd-transition-organic: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--tmd-font-sans);
  font-size: var(--tmd-text-lg);
  line-height: var(--tmd-leading-relaxed);
  color: var(--tmd-text-primary);
  background-color: var(--tmd-bg-primary);
  transition: background-color var(--tmd-transition-base);
}

/* ========================================
   COMPOSANTS - Boutons
   ======================================== */

.tmd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tmd-space-2);
  padding: var(--tmd-space-3) var(--tmd-space-6);
  font-size: var(--tmd-text-base);
  font-weight: var(--tmd-font-medium);
  border-radius: var(--tmd-radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--tmd-transition-base);
  text-decoration: none;
  font-family: inherit;
}

.tmd-btn-primary {
  background: var(--tmd-gradient-accent);
  color: white;
  box-shadow: var(--tmd-shadow-green);
}

.tmd-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--tmd-shadow-lg), var(--tmd-shadow-green);
}

.tmd-btn-secondary {
  background-color: var(--tmd-bg-elevated);
  color: var(--tmd-text-primary);
  border: 2px solid var(--tmd-border);
}

.tmd-btn-secondary:hover {
  border-color: var(--tmd-green-500);
  background-color: var(--tmd-green-50);
}

.tmd-btn-ghost {
  background: transparent;
  color: var(--tmd-green-700);
}

.tmd-btn-ghost:hover {
  background-color: var(--tmd-green-50);
}

[data-theme="dark"] .tmd-btn-ghost {
  color: var(--tmd-green-400);
}

[data-theme="dark"] .tmd-btn-ghost:hover {
  background-color: var(--tmd-slate-800);
}

[data-theme="dark"] .tmd-btn-secondary {
  background-color: var(--tmd-slate-800);
  border-color: var(--tmd-slate-600);
  color: var(--tmd-slate-100);
}

[data-theme="dark"] .tmd-btn-secondary:hover {
  border-color: var(--tmd-green-500);
  background-color: var(--tmd-slate-700);
}

/* ========================================
   COMPOSANTS - Cartes
   ======================================== */

.tmd-card {
  background: var(--tmd-gradient-card);
  border-radius: var(--tmd-radius-xl);
  padding: var(--tmd-space-6);
  border: 1px solid var(--tmd-border);
  box-shadow: var(--tmd-shadow-sm);
  transition: all var(--tmd-transition-base);
}

.tmd-card:hover {
  box-shadow: var(--tmd-shadow-lg);
  border-color: var(--tmd-border-hover);
  transform: translateY(-4px);
}

/* ========================================
   COMPOSANTS - Badges
   ======================================== */

.tmd-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--tmd-space-1) var(--tmd-space-3);
  font-size: var(--tmd-text-sm);
  font-weight: var(--tmd-font-medium);
  border-radius: var(--tmd-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tmd-badge-green {
  background-color: var(--tmd-green-100);
  color: var(--tmd-green-800);
}

.tmd-badge-amber {
  background-color: var(--tmd-amber-100);
  color: var(--tmd-amber-800);
}

.tmd-badge-cyan {
  background-color: var(--tmd-cyan-100);
  color: var(--tmd-cyan-800);
}

/* ========================================
   COMPOSANTS - Input
   ======================================== */

.tmd-input {
  width: 100%;
  padding: var(--tmd-space-3) var(--tmd-space-4);
  font-size: var(--tmd-text-base);
  font-family: inherit;
  border: 2px solid var(--tmd-border);
  border-radius: var(--tmd-radius-lg);
  background-color: var(--tmd-bg-elevated);
  color: var(--tmd-text-primary);
  transition: all var(--tmd-transition-base);
}

.tmd-input:focus {
  outline: none;
  border-color: var(--tmd-green-500);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

[data-theme="dark"] .tmd-input {
  background-color: var(--tmd-slate-800);
  border-color: var(--tmd-slate-600);
}

/* ========================================
   UTILITAIRES - Layout
   ======================================== */

.tmd-container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--tmd-space-4);
  padding-right: var(--tmd-space-4);
}

.tmd-content-narrow {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.tmd-stack {
  display: flex;
  flex-direction: column;
  gap: var(--tmd-space-4);
}

.tmd-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tmd-space-3);
  align-items: center;
}

/* ========================================
   UTILITAIRES - Typographie
   ======================================== */

.tmd-text-balance {
  text-wrap: balance;
}

.tmd-heading-1 {
  font-size: var(--tmd-text-5xl);
  font-weight: var(--tmd-font-bold);
  line-height: var(--tmd-leading-tight);
  color: var(--tmd-text-primary);
}

.tmd-heading-2 {
  font-size: var(--tmd-text-3xl);
  font-weight: var(--tmd-font-semibold);
  line-height: var(--tmd-leading-snug);
  color: var(--tmd-text-primary);
}

.tmd-heading-3 {
  font-size: var(--tmd-text-2xl);
  font-weight: var(--tmd-font-semibold);
  line-height: var(--tmd-leading-normal);
  color: var(--tmd-text-primary);
}

.tmd-body-large {
  font-size: var(--tmd-text-xl);
  line-height: var(--tmd-leading-relaxed);
}

.tmd-caption {
  font-size: var(--tmd-text-sm);
  color: var(--tmd-text-tertiary);
}

.tmd-text-secondary {
  color: var(--tmd-text-secondary);
}

/* ========================================
   UTILITAIRES - Motifs organiques
   ======================================== */

.tmd-organic-bg {
  position: relative;
  overflow: hidden;
}

.tmd-organic-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--tmd-green-100) 0%, transparent 70%);
  opacity: 0.3;
  border-radius: 50%;
  animation: tmd-float 20s ease-in-out infinite;
}

@keyframes tmd-float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

@keyframes tmd-grow {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  .tmd-heading-1 {
    font-size: var(--tmd-text-3xl);
  }

  .tmd-heading-2 {
    font-size: var(--tmd-text-2xl);
  }
}

@media (min-width: 1024px) {
  html {
    font-size: 18px;
  }
}

/* ========================================
   ACCESSIBILITE
   ======================================== */

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

.tmd-focus-visible:focus-visible {
  outline: 2px solid var(--tmd-green-500);
  outline-offset: 2px;
}