/* ============================================
   XBK MEDIA — Design Tokens
   "Midnight Authority" Design System
   ============================================ */

:root {
  /* ---- Primary (Dark backgrounds - xAI void canvas) ---- */
  --primary-950: #0a0a0a; /* Void Black */
  --primary-900: #0a0a0a; /* Void Black */
  --primary-800: #1a1c20; /* Canvas Soft */
  --primary-700: #191919; /* Canvas Card */
  --primary-600: #212327; /* Hairline Border */


  /* ---- Accent Colors (Audience-coded mapped to xAI palette) ---- */
  --accent-blue: #a0c3ec; /* Breeze Blue */
  --accent-blue-hover: #ffffff;
  --accent-blue-glow: transparent;

  --accent-emerald: #ffffff; /* White */
  --accent-emerald-hover: #fafaf7;
  --accent-emerald-glow: transparent;

  --accent-amber: #ff7a17; /* Sunset Orange */
  --accent-amber-hover: #ffc285; /* Sunset Soft */
  --accent-amber-glow: transparent;

  --accent-pink: #c4b5fd; /* Twilight Violet */
  --accent-pink-hover: #ffffff;
  --accent-pink-glow: transparent;

  --accent-violet: #7c3aed; /* Dusk Purple */
  --accent-violet-hover: #ffffff;
  --accent-violet-glow: transparent;

  /* ---- Neutral ---- */
  --neutral-50: #ffffff;    /* Ink */
  --neutral-100: #fafaf7;   /* Ink Hover */
  --neutral-200: #dadbdf;   /* Body */
  --neutral-300: #dadbdf;   /* Body */
  --neutral-400: #7d8187;   /* Body Mid / Mute */
  --neutral-500: #363a3f;   /* Canvas Mid */
  --neutral-600: #212327;   /* Hairline */
  --neutral-900: #0a0a0a;   /* Canvas */

  /* ---- Surfaces ---- */
  --surface-glass: #191919; /* Canvas Card */
  --surface-glass-hover: #1a1c20; /* Canvas Soft */
  --surface-glass-border: #212327; /* Hairline */
  --surface-card: #191919; /* Canvas Card */
  --surface-overlay: rgba(10, 10, 10, 0.95);

  /* ---- Gradients (Flipped to solid/subtle white & orange for xAI look) ---- */
  --gradient-hero: none;
  --gradient-blue: linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
  --gradient-emerald: linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
  --gradient-amber: linear-gradient(180deg, #ff7a17 0%, #ff7a17 100%);
  --gradient-pink: linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
  --gradient-violet: linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
  --gradient-silver: linear-gradient(180deg, #ffffff 0%, #dadbdf 100%);
  --gradient-mesh: none;

  /* ---- Typography (Strict Inter/Mono, constrained to weight 400) ---- */
  --font-primary: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Inter", system-ui, -apple-system, sans-serif;
  --font-brand: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;

  --fw-regular: 400;
  --fw-medium: 400;
  --fw-semibold: 400;
  --fw-bold: 400;
  --fw-extrabold: 400;

  --fs-xs: 0.75rem;    /* 12px */
  --fs-sm: 0.875rem;   /* 14px */
  --fs-base: 1rem;     /* 16px */
  --fs-lg: 1.125rem;   /* 18px */
  --fs-xl: 1.25rem;    /* 20px */
  --fs-2xl: 1.5rem;    /* 24px */
  --fs-3xl: 1.875rem;  /* 30px */
  --fs-4xl: 2.25rem;   /* 36px */
  --fs-5xl: 3rem;      /* 48px */
  --fs-6xl: 3.75rem;   /* 60px */
  --fs-7xl: 4.5rem;    /* 72px */

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.6;
  --lh-relaxed: 1.75;

  --ls-tight: -0.025em;
  --ls-normal: 0;
  --ls-wide: 0.05em;
  --ls-wider: 0.1em;

  /* ---- Spacing ---- */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* ---- Border Radius ---- */
  --radius-sm: 8px;
  --radius-md: 8px;
  --radius-lg: 9999px; /* Buttons are pills */
  --radius-xl: 8px;    /* Cards bo góc 8px */
  --radius-2xl: 8px;
  --radius-full: 9999px;

  /* ---- Shadows (Removed per xAI spec) ---- */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-xl: none;
  --shadow-glow-blue: none;
  --shadow-glow-emerald: none;
  --shadow-glow-amber: none;
  --shadow-glow-pink: none;
  --shadow-glow-violet: none;

  /* ---- Transitions ---- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---- Z-index ---- */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 50;
  --z-navbar: 100;
  --z-modal: 200;
  --z-toast: 300;

  /* ---- Container ---- */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-max: 1200px; /* Aligned with xAI content width */
}