/* ============ Design Tokens (Light Default) ============ */
:root{
  --brand-rot:#981b1e;

  /* Light (Default) */
  --bg:#f6f7f9;
  --text:#1f2937;
  --muted:#6b7280;

  --card:#ffffff;     /* surface-1 */
  --surface-2:#f3f4f6;
  --surface-3:#eef2f7;
  --border:#e5e7eb;

  --radius:16px;
  --shadow:0 8px 24px rgba(0,0,0,.08);
  --ring:0 0 0 3px rgba(152,27,30,.18);

  /* Checkerboard (Light) */
  --checker-a:#ffffff;
  --checker-b:#eaeef2;
}

/* Auto-Dark: nur wenn KEIN explizites Theme gesetzt ist */
@media (prefers-color-scheme: dark){
  :root:not([data-theme]){
    --bg:#0c111a;
    --text:#e6eaf2;
    --muted:#a6b3c5;

    --card:#121826;      /* surface-1 */
    --surface-2:#182235; /* Chips/Buttons/KPIs */
    --surface-3:#0f1522; /* Filterleiste */
    --border:#2a3852;

    --ring:0 0 0 3px rgba(152,27,30,.35);

    /* Checkerboard (Dark Auto) */
    --checker-a:#eef2f7;
    --checker-b:#d9e1ea;
  }
}

/* Explicit: Light/Dark erzwingen via data-theme */
:root[data-theme="light"]{
  --bg:#f6f7f9; --text:#1f2937; --muted:#6b7280;
  --card:#ffffff; --surface-2:#f3f4f6; --surface-3:#eef2f7; --border:#e5e7eb;
  --ring:0 0 0 3px rgba(152,27,30,.18);

  --checker-a:#ffffff;
  --checker-b:#eaeef2;
}
:root[data-theme="dark"]{
  --bg:#0c111a; --text:#e6eaf2; --muted:#a6b3c5;
  --card:#121826; --surface-2:#182235; --surface-3:#0f1522; --border:#2a3852;
  --ring:0 0 0 3px rgba(152,27,30,.35);

  --checker-a:#eef2f7;
  --checker-b:#d9e1ea;
}

/* ============ Base Layout ============ */
*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,"Helvetica CE","Hurme Geometric Sans","Hurme Geometric Sans 3",sans-serif;
  background:var(--bg); color:var(--text);
}
.container{max-width:1100px;padding:24px;margin:0 auto}
.brand-dot{width:14px;height:14px;border-radius:999px;background:var(--brand-rot)}
.header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:12px 0 24px}
.header-left{display:flex;align-items:center;gap:16px}
h1{font-weight:800;font-size:clamp(1.6rem,2.5vw,2.2rem);margin:0}
p.lead{margin:6px 0 0;color:var(--muted)}
section{margin:28px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}

/* Cards & Elements */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border)}
.card-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.card-title{font-weight:700}
.card-body{padding:16px}
.card-footer{padding:12px 16px;display:flex;gap:8px;border-top:1px solid var(--border);flex-wrap:wrap}

/* Preview-Flächen */
.preview{
  border-radius:12px;
  border:1px dashed var(--border);
  background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:3/2;
  overflow:hidden
}
.preview img,.preview object{
  max-width:100%;max-height:100%;
  width:auto;height:auto;
  display:block;object-fit:contain
}
/* weiße Bühne (JPG/PDF/sonstige) */
.preview.light-bg{background:#ffffff}
/* Checkerboard (PNG/SVG) */
.preview.checker{
  background-color: var(--checker-a);
  background-image:
    linear-gradient(45deg, var(--checker-b) 25%, transparent 25%, transparent 75%, var(--checker-b) 75%),
    linear-gradient(45deg, var(--checker-b) 25%, transparent 25%, transparent 75%, var(--checker-b) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}
.pdf-object{background:#ffffff;border-radius:12px}
.no-preview{text-align:center;padding:12px;width:100%}

.pill{padding:6px 10px;border:1px solid var(--border);border-radius:999px;font-size:.85rem;color:var(--muted)}
.btn{appearance:none;border:1px solid var(--border);background:var(--surface-2);padding:10px 12px;border-radius:12px;cursor:pointer;font-weight:600;text-decoration:none;display:inline-block;color:var(--text)}
.btn:hover{border-color:#c9ced6}
.btn:focus{outline:none;box-shadow:var(--ring)}

.kpi{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px;font-size:.92rem}
.kpi div{padding:8px 10px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px}
.muted{color:var(--muted)}
.font-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px}
.filelist{display:grid;gap:8px}
.fileitem{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--border);background:var(--surface-2);padding:10px 12px;border-radius:10px}
.fileitem small{color:var(--muted)}
.swatch{display:flex;gap:16px;align-items:stretch}
.chip{width:140px;min-height:110px;border-radius:14px;border:1px solid var(--border)}
.chip.rot{background:#981b1e}
.chip.grau{background:#666666}
.vals{flex:1;display:grid;gap:8px}
.val{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:10px 12px;display:flex;justify-content:space-between;align-items:center}
.val code{font-family:ui-monospace,Menlo,Monaco,Consolas,"Liberation Mono",monospace}
.copy{border:1px solid var(--border);background:var(--surface-2);padding:6px 10px;border-radius:8px;cursor:pointer;color:var(--text)}
.copy:focus{outline:none;box-shadow:var(--ring)}
footer{margin:40px 0 20px;text-align:center;color:var(--muted)}

@media (max-width:560px){
  .swatch{flex-direction:column}
  .chip{width:100%;min-height:96px}
}

/* Filterbar */
.filterbar{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 16px;background:var(--surface-3);padding:6px 8px;border-radius:999px}
.filter-btn{border:1px solid var(--border);background:var(--surface-2);padding:8px 12px;border-radius:999px;cursor:pointer;font-weight:600;color:var(--text)}
.filter-btn:hover{border-color:#c9ced6}
.filter-btn.active{border-color:var(--brand-rot);box-shadow:var(--ring);color:var(--brand-rot);background:rgba(152,27,30,.08)}

/* Theme Toggle – kompakt & fix oben rechts */
.theme-toggle{
  position: fixed;
  top: 10px;
  right: 12px;
  z-index: 1000;

  display:flex;gap:4px;align-items:center;
  font-size:12px;
  padding:2px;

  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:var(--shadow);
}
.theme-toggle .seg{
  appearance:none;border:1px solid transparent;background:transparent;
  padding:4px 8px;border-radius:999px;cursor:pointer;font-weight:700;line-height:1;color:var(--text)
}
.theme-toggle .seg:hover{border-color:#c9ced6;color:var(--brand-rot)}
.theme-toggle .seg[aria-checked="true"]{background:var(--card);border-color:var(--border);color:var(--brand-rot);box-shadow:var(--ring)}