/* ============================================================
   theme.css — shared visual language for Data charts
   Mirrors the Toolbox token system (--t-*) so charts and the
   toolbox share one identity. Brand font: Barlow (self-hosted).
   Edit tokens here; every page inherits.
   ============================================================ */

/* ---- Brand font: Barlow (SIL OFL 1.1), self-hosted from /shared/fonts, no CDN ----
   Full latin + latin-ext set (weights 400/500/600/700). latin-ext covers Slovenian
   č/š/ž etc. (used by Normiranec and Slovenian content). */
@font-face{font-family:'Barlow';font-style:normal;font-weight:400;font-display:swap;src:url('/shared/fonts/barlow-latin-400.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD;}
@font-face{font-family:'Barlow';font-style:normal;font-weight:400;font-display:swap;src:url('/shared/fonts/barlow-latin-ext-400.woff2') format('woff2');unicode-range:U+0100-024F,U+1E00-1EFF,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Barlow';font-style:normal;font-weight:500;font-display:swap;src:url('/shared/fonts/barlow-latin-500.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD;}
@font-face{font-family:'Barlow';font-style:normal;font-weight:500;font-display:swap;src:url('/shared/fonts/barlow-latin-ext-500.woff2') format('woff2');unicode-range:U+0100-024F,U+1E00-1EFF,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Barlow';font-style:normal;font-weight:600;font-display:swap;src:url('/shared/fonts/barlow-latin-600.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD;}
@font-face{font-family:'Barlow';font-style:normal;font-weight:600;font-display:swap;src:url('/shared/fonts/barlow-latin-ext-600.woff2') format('woff2');unicode-range:U+0100-024F,U+1E00-1EFF,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Barlow';font-style:normal;font-weight:700;font-display:swap;src:url('/shared/fonts/barlow-latin-700.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD;}
@font-face{font-family:'Barlow';font-style:normal;font-weight:700;font-display:swap;src:url('/shared/fonts/barlow-latin-ext-700.woff2') format('woff2');unicode-range:U+0100-024F,U+1E00-1EFF,U+2C60-2C7F,U+A720-A7FF;}

/* ---- Tokens (identical to Toolbox, plus --chart-bar) ---- */
html{
  --t-bg:#f5f4f0;
  --t-surface:#ffffff;
  --t-border:rgba(0,0,0,0.15);
  --t-border-hover:rgba(0,0,0,0.4);
  --t-text:#111111;
  --t-muted:#444444;
  --t-desc:#555555;
  --t-tag-bg:#e8e7e3;
  --t-link:#0a4f8a;
  --t-arrow:#666666;
  --radius-md:8px;
  --radius-lg:10px;
  --chart-bar:#185FA5;
  --chart-grid:rgba(0,0,0,0.10);
}
html[data-theme="dark"]{
  --t-bg:#141414;
  --t-surface:#242424;
  --t-border:rgba(255,255,255,0.15);
  --t-border-hover:rgba(255,255,255,0.5);
  --t-text:#f5f2ed;
  --t-muted:#d8d4ce;
  --t-desc:#c8c4be;
  --t-tag-bg:#2e2e2e;
  --t-link:#7ab8f5;
  --t-arrow:#b0ada8;
  --chart-bar:#378ADD;
  --chart-grid:rgba(255,255,255,0.12);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--t-bg);color:var(--t-text);font-family:'Barlow',system-ui,-apple-system,sans-serif;transition:background .2s,color .2s;line-height:1.5}
.wrap{max-width:760px;margin:0 auto;padding:1.5rem 1rem}

/* ---- Header (matches Toolbox) ---- */
header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}
.logo{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--t-muted)}
.logo a{color:inherit;text-decoration:none}
/* Icon-only theme toggle (fun-app style, no text): a square button that shows
   the moon in light mode (click → dark) and the sun in dark mode. */
.theme-btn{background:none;border:1px solid var(--t-border);border-radius:var(--radius-md);width:34px;height:34px;padding:0;cursor:pointer;color:var(--t-muted);font-size:16px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:border-color .15s,background .15s;font-family:inherit}
.theme-btn:hover{background:var(--t-tag-bg);border-color:var(--t-border-hover)}
.theme-btn:focus-visible{outline:2px solid var(--t-link);outline-offset:2px}
.theme-btn .i-sun{display:none}
:root[data-theme="dark"] .theme-btn .i-moon{display:none}
:root[data-theme="dark"] .theme-btn .i-sun{display:inline}
/* Right-side header cluster + inline home/back button (fun-app philosophy):
   an ⌂ icon button beside the theme toggle, not a fixed overlay. */
.head-controls{display:flex;align-items:center;gap:8px}
.home-btn{width:34px;height:34px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--t-surface);color:var(--t-muted);border:1px solid var(--t-border);text-decoration:none;font-size:18px;line-height:1}
.home-btn:hover{color:var(--t-text);background:var(--t-tag-bg);border-color:var(--t-border-hover)}
.home-btn:focus-visible{outline:2px solid var(--t-link);outline-offset:2px}

/* ---- Index card list (mirrors Toolbox cards) ---- */
.cat{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--t-muted);margin:1.25rem 0 .5rem;padding-left:2px}
.cat:first-of-type{margin-top:0}
.grid{display:flex;flex-direction:column;gap:7px}
.card{display:flex;align-items:center;gap:12px;background:var(--t-surface);border:1px solid var(--t-border);border-radius:var(--radius-lg);padding:.7rem 1rem;text-decoration:none;color:inherit;transition:border-color .15s,background .15s}
.card:hover{border-color:var(--t-border-hover);background:var(--t-tag-bg)}
.card:focus-visible{outline:2px solid var(--t-link);outline-offset:2px}
.card-icon{flex-shrink:0;width:34px;height:34px;border-radius:var(--radius-md);background:var(--t-tag-bg);display:flex;align-items:center;justify-content:center;font-size:18px}
.card-body{flex:1;min-width:0}
.card-name{font-size:15px;font-weight:600;color:var(--t-text);margin-bottom:1px}
.card-desc{font-size:13px;color:var(--t-desc);line-height:1.4}
.card-arrow{flex-shrink:0;font-size:18px;color:var(--t-arrow);transition:transform .15s;line-height:1}
.card:hover .card-arrow{transform:translateX(3px)}

/* ---- Chart page ---- */
.chart-title{font-size:20px;font-weight:600;margin:0 0 4px;line-height:1.25;color:var(--t-text)}
.chart-subtitle{font-size:13px;font-weight:400;color:var(--t-desc);margin:0 0 16px;line-height:1.4}
.legend{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:12px;font-size:12px;color:var(--t-muted)}
.legend span{display:flex;align-items:center;gap:6px}
.swatch{width:10px;height:10px;border-radius:2px;flex-shrink:0}
.canvas-box{position:relative;width:100%;height:340px}
.footnote{font-size:12px;color:var(--t-muted);margin:16px 0 0;line-height:1.65}
.footnote strong{font-weight:500;color:var(--t-desc)}
.back{display:inline-block;margin-bottom:1rem;font-size:13px;color:var(--t-link);text-decoration:none}
.back:hover{text-decoration:underline}

/* ---- Footer / attribution ---- */
.site-footer{margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--t-border);font-size:12px;color:var(--t-muted);line-height:1.5}
.site-footer a{color:var(--t-link);text-decoration:none}
.site-footer a:hover{text-decoration:underline}

@media(max-width:480px){.wrap{padding:1rem .75rem}.canvas-box{height:300px}}