/* ============================================================
   ARIA CREATIVE ADMIN — Design Tokens
   ============================================================ */

:root {
  /* Color Palette — Monochrome System */
  --color-black: #000000;
  --color-near-black: #161616;
  --color-dark-surface: #1a1a1a;
  --color-white: #ffffff;
  --color-soft-grey: #f5f5f5;
  --color-light-grey: #f8f8f8;
  --color-border: #e0e0e0;
  --color-border-dark: #2a2a2a;
  --color-mid-grey: #888888;
  --color-dim-grey: #aaaaaa;
  --color-text-secondary: #666666;

  /* Semantic Colors — Monochrome-derived */
  --color-success: #1a6b1a;
  --color-success-bg: #f0faf0;
  --color-warning: #7a4f00;
  --color-warning-bg: #fffbf0;
  --color-danger: #8b1a1a;
  --color-danger-bg: #fff5f5;
  --color-info: #1a3a6b;
  --color-info-bg: #f0f4fa;

  /* Typography */
  --font-body: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-logo: "Space Grotesk", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Courier New", monospace;

  /* Font Sizes */
  --text-2xs: 10px;
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 14px;
  --text-md: 16px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-3xl: 40px;

  /* Letter Spacing */
  --tracking-display: -0.04em;
  --tracking-heading: -0.02em;
  --tracking-body: -0.01em;
  --tracking-wide: 0.02em;

  /* Line Heights */
  --leading-tight: 0.92;
  --leading-snug: 1.1;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-section: 24px;
  --radius-pill: 9999px;

  /* Spacing Scale */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 40px;
  --space-3xl: 64px;

  /* Layout */
  --sidebar-width: 220px;
  --topbar-height: 60px;
  --content-max-width: 1400px;

  /* Transitions */
  --duration: 160ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — minimal, only for sticky elements */
  --shadow-topbar: 0 1px 0 rgba(0, 0, 0, 0.04);
  --shadow-dropdown: 0 4px 12px rgba(0, 0, 0, 0.08);

  /* Z-index Scale */
  --z-dropdown: 50;
  --z-sticky: 100;
  --z-modal: 200;
  --z-toast: 300;
}