/* ==========================================================================
   CSS DESIGN TOKENS — OBSIDIAN MINIMALIST & MONOLITH (SEP-UNSA 2027)
   Typographie : Clash Display (Titres & Monolithe) + Geist (Corps & Données)
   ========================================================================== */

:root {
  /* --- 1. Palette Accents Métier (Vibrants & Lumineux, Non-Fluo) --- */
  --c1: #2563EB;               /* Bleu Cobalt Luminous — Débats, Textes, Amendements */
  --c1-dark: #1D4ED8;
  --c1-light: rgba(37, 99, 235, 0.14);
  --c1-rgb: 37, 99, 235;

  --c2: #E11D48;               /* Rose Framboise Profond — Direct, Scrutins, Alertes */
  --c2-dark: #BE123C;
  --c2-light: rgba(225, 29, 72, 0.14);
  --c2-rgb: 225, 29, 72;

  --c3: #10B981;               /* Vert Émeraude Tempéré — Logistique, Validations */
  --c3-dark: #059669;
  --c3-light: rgba(16, 185, 129, 0.14);
  --c3-rgb: 16, 185, 129;

  /* --- 2. Surfaces & Matières Obsidian Minimalist --- */
  --dark: #07090E;             /* Fond Carbone Obsidian Mat */
  --dark-navy: #07090E;        /* Alias Fond Principal */
  --dark-surface: #0D111A;     /* Surface Carte Fumé Élévation 1 */
  --surface-card: #0D111A;     /* Alias Cartes */
  --surface-elevated: #141A26; /* Élévation 2 (Modales, Panneaux) */
  --footer-bg: #05070A;        /* Footer Ultra-Deep Carbon */
  --off-white: #07090E;
  --white: #FFFFFF;

  /* Bordures Hairline Translucides (Liserés d'orfèvrerie) */
  --border: rgba(255, 255, 255, 0.09);
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-dark: rgba(255, 255, 255, 0.08);

  /* --- 3. Textes & Ratios de Contraste WCAG 2.2 AA / AAA --- */
  --text-main: #FFFFFF;        /* Blanc Optique Pur (> 19:1 sur #07090e) */
  --text-primary: #FFFFFF;     /* Titres & Textes Principaux */
  --text-secondary: #CBD5E1;   /* Textes de soutien / Slate 300 (> 10:1) */
  --text-muted: #94A3B8;       /* Métadonnées & Légendes / Slate 400 (> 5.5:1) */
  --text-light: #FFFFFF;
  --text-light-muted: #94A3B8;

  /* --- 4. Auras Lumineuses & Gradients Soyeux --- */
  --grad-hero: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.12) 0%, rgba(7, 9, 14, 0) 70%);
  --grad-mesh-blue: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 50%);
  --grad-mesh-rose: radial-gradient(circle at 90% 20%, rgba(225, 29, 72, 0.15) 0%, transparent 50%);
  --grad-c1: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
  --grad-c2: linear-gradient(135deg, #F43F5E 0%, #BE123C 100%);
  --grad-c3: linear-gradient(135deg, #34D399 0%, #059669 100%);
  --grad-action: linear-gradient(135deg, #141A26 0%, #0D111A 100%);

  /* --- 5. Typographie d'Avant-Garde (Clash Display + Geist) --- */
  --font-display: 'Clash Display', sans-serif;
  --font-title: 'Clash Display', sans-serif;
  --font-body: 'Geist', 'Geist Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --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: 2rem;      /* 32px */
  --font-size-4xl: 2.5rem;    /* 40px */
  --font-size-hero: clamp(2.4rem, 5.5vw, 4rem);

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

  --line-height-tight: 1.12;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;

  /* --- 6. Espacements Équilibrés & Macro-Whitespace --- */
  --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 */

  --container-max-width: 1240px;
  --container-padding: 1.5rem;

  /* --- 7. Rayons Organiques & Double-Bezel --- */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* --- 8. Ombres & Élévations Fumé --- */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.5), 0 2px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.6), 0 4px 12px -2px rgba(0, 0, 0, 0.4);
  --shadow-dark: 0 16px 36px rgba(0, 0, 0, 0.7);

  /* --- 9. Transitions & Animations Cinétiques Fluides --- */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --tr-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --tr-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --tr-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  /* --- 10. Z-Index Layering --- */
  --z-base: 1;
  --z-card: 10;
  --z-header: 100;
  --z-ticker: 90;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;
}