/* ==========================================================================
   NOVA — design tokens
   Obsidian Studio base + editorial typography. One restrained accent.
   ========================================================================== */

:root {
  /* Type */
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;

  --step--2: clamp(0.69rem, 0.67rem + 0.10vw, 0.75rem);
  --step--1: clamp(0.80rem, 0.78rem + 0.12vw, 0.88rem);
  --step-0:  clamp(0.94rem, 0.91rem + 0.16vw, 1.03rem);
  --step-1:  clamp(1.13rem, 1.07rem + 0.30vw, 1.33rem);
  --step-2:  clamp(1.36rem, 1.25rem + 0.55vw, 1.80rem);
  --step-3:  clamp(1.63rem, 1.44rem + 0.95vw, 2.44rem);
  --step-4:  clamp(1.95rem, 1.62rem + 1.65vw, 3.30rem);
  --step-5:  clamp(2.34rem, 1.74rem + 3.00vw, 4.90rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --border-w: 1px;
  --maxw: 1240px;
  --maxw-read: 68ch;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-1: 120ms;
  --dur-2: 220ms;
  --dur-3: 420ms;

  --z-nav: 40;
  --z-palette: 100;
  --z-toast: 120;
}

/* ---------- Dark (default) ---------- */
:root,
[data-theme="dark"] {
  --bg: #0b0d0c;
  --bg-2: #101312;
  --surface: #141817;
  --surface-2: #1a1f1d;
  --surface-3: #222824;
  --overlay: rgba(6, 8, 7, 0.72);

  --line: rgba(244, 242, 236, 0.10);
  --line-strong: rgba(244, 242, 236, 0.20);

  --text: #f4f2ec;
  --text-dim: #b7bcb6;
  --text-faint: #7f867f;

  --accent: #c9f24d;
  --accent-ink: #101400;
  --accent-soft: rgba(201, 242, 77, 0.14);
  --accent-line: rgba(201, 242, 77, 0.42);

  --ok: #74e39a;
  --warn: #f2c94c;
  --danger: #ff6b6b;
  --info: #6db4ff;

  --shadow-1: 0 1px 0 rgba(255,255,255,0.03), 0 8px 24px rgba(0,0,0,0.36);
  --shadow-2: 0 2px 0 rgba(255,255,255,0.03), 0 22px 60px rgba(0,0,0,0.5);

  --grid-line: rgba(244, 242, 236, 0.05);
  --noise-opacity: 0.035;
}

/* ---------- Light ---------- */
[data-theme="light"] {
  --bg: #f5f3ec;
  --bg-2: #efece2;
  --surface: #fbfaf5;
  --surface-2: #f3f1e8;
  --surface-3: #e9e6da;
  --overlay: rgba(30, 32, 28, 0.4);

  --line: rgba(18, 22, 18, 0.12);
  --line-strong: rgba(18, 22, 18, 0.26);

  --text: #14181a;
  --text-dim: #4d554f;
  --text-faint: #7a827b;

  --accent: #5c7a00;
  --accent-ink: #f7ffe0;
  --accent-soft: rgba(92, 122, 0, 0.12);
  --accent-line: rgba(92, 122, 0, 0.4);

  --ok: #1f8f52;
  --warn: #b7791f;
  --danger: #c53030;
  --info: #2b6cb0;

  --shadow-1: 0 1px 0 rgba(255,255,255,0.6), 0 10px 24px rgba(30,30,20,0.10);
  --shadow-2: 0 2px 0 rgba(255,255,255,0.6), 0 24px 60px rgba(30,30,20,0.16);

  --grid-line: rgba(18, 22, 18, 0.05);
  --noise-opacity: 0.02;
}