/* ACADIA · warm paper, coral and ink. Light is the default, including without JS.
   Palette: #F5EBDD paper · #F2765E coral · #315B8C harbour · #413333 ink.
   Keep semantic and code colors paired so both themes remain readable. */
:root{
  color-scheme:light;
  --font-display:'Space Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-sans:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','SF Mono',Monaco,'Cascadia Code',monospace;
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:20px;
  --s6:24px; --s8:32px; --s12:48px; --s16:64px;
  --r-sm:7px; --r-md:10px; --r-lg:14px; --r-pill:999px;


  --bg:#f5ebdd;
  --surface:#fffaf4;
  --surface-raised:#f1e4d3;
  --surface-hover:#e9d8c4;
  --border:#e2d0b9;
  --border-strong:#a48d75;
  --text:#413333;
  --text-muted:#6a5650;
  --text-subtle:#77625a;
  --accent:#f2765e;
  --accent-hover:#e2634c;
  --accent-active:#cb5340;
  --accent-ink:#b94a35;
  --accent-deep:#fde2da;
  --on-accent:#3d221a;
  --accent-tint:rgba(242,118,94,.08);
  --accent-tint-strong:rgba(242,118,94,.16);
  --accent-line:rgba(242,118,94,.34);
  --accent-halo:rgba(242,118,94,.11);
  --focus-ring:rgba(242,118,94,.30);
  --disabled-bg:#ece0d0;
  --disabled-ink:#85736a;
  --success:#2f6b4f; --success-bg:#e8f1e8; --success-line:#bcd6c1;
  --warning:#8a5a13; --warning-bg:#fbeed6; --warning-line:#e6cfa2;
  --danger:#9e2b3f; --danger-bg:#fae6e6; --danger-line:#e8c0c0;
  --shadow-1:0 3px 12px rgba(65,51,51,.05);
  --shadow-2:0 18px 48px rgba(65,51,51,.14);
  --shadow-sm:0 1px 3px rgba(65,51,51,.05);
  --accent-glow:0 2px 5px rgba(242,118,94,.16);
  --accent-glow-hover:0 4px 12px rgba(242,118,94,.26);
  --glass-bg:var(--surface);
  --glass-bg-strong:var(--surface);
  --glass-line:var(--border);
  --glass-lift:inset 0 1px 0 var(--surface);
  --scrim:rgba(48,36,34,.45);
  --scroll-thumb:#c4ab90;
  --code-bg:#fdf6ed;
  --code-bg-deep:#fdf6ed;
  --code-text:#413333;
  --code-accept:#5c4a45;
  --code-dim:#77625a;
  --code-accent:#315b8c;
  --code-green:#2f6b4f;
  --code-yellow:#8a5a13;
  --code-pink:#a4417a;
  --code-line:#e2d0b9;
  --code-selection:#f7dccb;
  --graph-line:#7a6257;
  --graph-label:#6a5650;
  --graph-node-line:#315b8c;
  --brand-bg:#315b8c;
  --brand-text:var(--text);
  --brand-muted:#c6d7e9;
  --brand-line:#4f77a5;
  --brand-accent:var(--accent-ink);
  --sidebar-bg:#fffaf4;
  --sidebar-text:#413333;
  --sidebar-muted:#7b665e;
  --sidebar-line:#ecdcc8;
  --transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  --ease:cubic-bezier(.4,0,.2,1);
  --header-height:68px; --sidebar-width:208px;
  --z-behind:-1; --z-base:1; --z-sticky:5; --z-header:60;
  --z-popover:70; --z-modal:200; --z-toast:300;
  --indigo-600:var(--accent); --indigo-500:var(--accent-hover);
  --indigo-400:var(--accent-ink); --indigo-50:var(--accent-deep);
  --page-bg:var(--bg); --card-bg:var(--surface);
  --card-bg-soft:var(--surface-raised); --card-border:var(--border);
  --text-bright:var(--text); --text-dim:var(--text-subtle); --muted:var(--text-muted);
  --green-text:var(--success); --green-bg:var(--success-bg);
  --amber-text:var(--warning); --amber-bg:var(--warning-bg);
  --red-text:var(--danger); --red-bg:var(--danger-bg);
  --shadow-md:var(--shadow-1); --shadow-lg:var(--shadow-2); --radius:var(--r-md);
}
:root[data-theme="dark"]{
  /* Ink surfaces, periwinkle accents, and distinct semantic states. */
  color-scheme:dark;
  --bg:#10131d;--surface:#191e2d;--surface-raised:#22293a;--surface-hover:#2b354a;
  --border:#333f56;--border-strong:#657596;
  --text:#eff2fb;--text-muted:#bcc6dc;--text-subtle:#9facc7;
  --accent:#b1b9ff;--accent-hover:#c6ccff;--accent-active:#d6dbff;
  --accent-ink:#c4cbff;--accent-deep:#282e50;--on-accent:#171d40;
  --accent-tint:rgba(177,185,255,.08);--accent-tint-strong:rgba(177,185,255,.16);
  --accent-line:rgba(177,185,255,.35);--accent-halo:rgba(177,185,255,.10);--focus-ring:rgba(177,185,255,.40);
  --disabled-bg:#252e40;--disabled-ink:#9caac4;
  --success:#78dab9;--success-bg:#1a3531;--success-line:#365e54;
  --warning:#f1cc88;--warning-bg:#373023;--warning-line:#655536;
  --danger:#ffa4b4;--danger-bg:#3c2633;--danger-line:#684152;
  --shadow-1:0 3px 12px rgba(0,0,0,.12);--shadow-2:0 18px 48px rgba(0,0,0,.40);--shadow-sm:0 1px 3px rgba(0,0,0,.16);
  --accent-glow:0 2px 5px rgba(177,185,255,.08);--accent-glow-hover:0 4px 12px rgba(177,185,255,.15);
  --scrim:rgba(5,8,16,.72);--scroll-thumb:#4a5874;
  --code-bg:#101522;--code-bg-deep:#101522;--code-text:#e3eafa;--code-accept:#becbe3;
  --code-dim:#9facc7;--code-accent:#9bc6ff;--code-green:#89deba;--code-yellow:#f1cc88;--code-pink:#ecb0dc;
  --code-line:#333f56;--code-selection:#344360;
  --graph-line:#91a1c3;--graph-label:#c6d0e5;--graph-node-line:#aebcff;
  --sidebar-bg:#111623;--sidebar-text:#e1e7f5;--sidebar-muted:#a2b0ca;--sidebar-line:#2c354b;
}