/* ============================================================
   EuroOS — Shared Design Tokens (EDS)
   Warm European: soft blues + sand/stone neutrals. Light by
   default, dark via [data-theme="dark"]. Accent overridable
   with --accent / --accent-deep / --accent-soft.
   ============================================================ */

/* Self-hosted fonts — no Google Fonts, no external calls (privacy by design). */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('fonts/inter-var.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/jetbrains-mono-var.woff2') format('woff2');
}

:root {
  /* ---- Brand accent (tweakable) ---- */
  --accent:        #2D6BE0;   /* European blue */
  --accent-deep:   #1E4FB0;
  --accent-soft:   #EAF1FD;
  --accent-ring:   #2D6BE033;

  /* ---- Warm neutrals / surfaces (light) ---- */
  --paper:    #F4F1EB;   /* warm desktop bg */
  --paper-2:  #EFEAE1;   /* slightly deeper sand */
  --surface:  #FFFFFF;
  --surface-2:#FBF9F5;
  --surface-3:#F5F2EC;
  --line:     #E7E1D6;   /* warm hairline */
  --line-2:   #D9D2C4;

  /* ---- Ink (warm dark text, never pure black) ---- */
  --ink:      #24303B;
  --ink-soft: #5C6672;
  --ink-faint:#8E96A1;
  --ink-ghost:#B7BCC4;

  /* ---- Warm material accents ---- */
  --sand:     #EDE6DA;
  --stone:    #DCD3C4;
  --gold:     #E2A33A;
  --gold-soft:#FBF1DC;

  /* ---- Security color language (friendly tones) ---- */
  --ok:       #2E9E5B;   /* verified / encrypted */
  --ok-soft:  #E4F4EA;
  --info:     #2D6BE0;   /* protected */
  --info-soft:#EAF1FD;
  --warn:     #D9982B;   /* attention */
  --warn-soft:#FBF1D9;
  --danger:   #D6453D;   /* compromised */
  --danger-soft:#FBE7E5;
  --neutral:  #8E96A1;   /* unknown */

  /* ---- Elevation ---- */
  --sh-1: 0 1px 2px rgba(36,48,59,.06), 0 1px 3px rgba(36,48,59,.05);
  --sh-2: 0 4px 12px rgba(36,48,59,.08), 0 2px 4px rgba(36,48,59,.05);
  --sh-3: 0 12px 32px rgba(36,48,59,.12), 0 4px 8px rgba(36,48,59,.06);
  --sh-4: 0 28px 64px rgba(36,48,59,.18), 0 8px 16px rgba(36,48,59,.08);

  /* ---- Radius (EDS) ---- */
  --r-s: 8px;
  --r-m: 12px;
  --r-l: 20px;
  --r-xl: 28px;

  /* ---- Type ---- */
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* ---- Spacing scale (EDS, 4px grid) ---- */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s6:24px; --s8:32px; --s12:48px; --s16:64px; --s24:96px;

  /* ---- Motion ---- */
  --fast: 110ms cubic-bezier(.4,0,.2,1);
  --norm: 200ms cubic-bezier(.4,0,.2,1);
  --slow: 300ms cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --paper:    #14181F;
  --paper-2:  #10141A;
  --surface:  #1B212B;
  --surface-2:#222a36;
  --surface-3:#262f3d;
  --line:     #2C3744;
  --line-2:   #394656;

  --ink:      #EAEEF4;
  --ink-soft: #A4AEBC;
  --ink-faint:#7B8696;
  --ink-ghost:#4E5868;

  --sand:     #232b36;
  --stone:    #2c3543;
  --gold-soft:#2c2616;
  --accent-soft:#17243c;
  --ok-soft:  #15271c;
  --info-soft:#17243c;
  --warn-soft:#2b2415;
  --danger-soft:#2c1917;

  --sh-1: 0 1px 2px rgba(0,0,0,.4);
  --sh-2: 0 4px 12px rgba(0,0,0,.4);
  --sh-3: 0 12px 32px rgba(0,0,0,.5);
  --sh-4: 0 28px 64px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 6px; border: 3px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-ghost); background-clip: padding-box; }

::selection { background: var(--accent-ring); }

.mono { font-family: var(--mono); }

/* Subtle European geometric motif — a field of soft concentric
   "stars in a ring" rendered purely with gradients. Used as a
   wallpaper / section backdrop. */
.eu-motif {
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 50% 50%, var(--accent-ring) 0 1.5px, transparent 2px),
    radial-gradient(1200px 600px at 85% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, color-mix(in srgb, var(--gold) 12%, transparent), transparent 55%);
  background-size: 34px 34px, 100% 100%, 100% 100%;
}