/* kennwerte-db Design Tokens — adapted from transaction-immo */
:root {
  /* Primary — dark header / text */
  --primary-900: #1a1a2e;
  --primary-700: #2D3748;
  --primary-500: #4A5568;
  --primary-100: #EDF2F7;

  /* Accent — Swiss red for CTAs + highlights */
  --accent-700: #9b0d24;
  --accent-600: #c8102e;
  --accent-500: #e11d48;
  --accent-400: #f43f5e;
  --accent-100: #ffe4e6;
  --accent-50: #fff1f2;

  /* Secondary — teal for data emphasis */
  --secondary-700: #005F8A;
  --secondary-600: #0077B6;
  --secondary-500: #0096C7;
  --secondary-400: #00B4D8;
  --secondary-100: #CAF0F8;
  --secondary-50: #E0F7FA;

  /* Neutral — contrast-safe: 400 >= 4.5:1 on white, 300 >= 3:1 */
  --neutral-900: #111827;
  --neutral-800: #1F2937;
  --neutral-700: #374151;
  --neutral-600: #4B5563;
  --neutral-500: #6B7280;
  --neutral-400: #71767F;
  --neutral-300: #8891A0;
  --neutral-200: #D1D5DB;
  --neutral-150: #E5E7EB;
  --neutral-100: #F1F5F9;
  --neutral-50: #FFFFFF;

  /* Art der Arbeiten tags */
  --tag-neubau: #10B981;
  --tag-neubau-bg: #dcfce7;
  --tag-neubau-text: #166534;
  --tag-sanierung: #3B82F6;
  --tag-sanierung-bg: #dbeafe;
  --tag-sanierung-text: #1e40af;
  --tag-umbau: #D97706;
  --tag-umbau-bg: #fef3c7;
  --tag-umbau-text: #78350f;
  --tag-erweiterung: #8B5CF6;
  --tag-erweiterung-bg: #f3e8ff;
  --tag-erweiterung-text: #6b21a8;
  --tag-abbruch: #EF4444;
  --tag-abbruch-bg: #fee2e2;
  --tag-abbruch-text: #991b1b;

  /* Data quality grades */
  --quality-a-bg: #dcfce7;
  --quality-a-text: #166534;
  --quality-b-bg: #dbeafe;
  --quality-b-text: #1e40af;
  --quality-c-bg: #fef3c7;
  --quality-c-text: #78350f;
  --quality-d-bg: #fee2e2;
  --quality-d-text: #991b1b;

  /* Country tag */
  --tag-ch-bg: #fee2e2;
  --tag-ch-text: #991b1b;
  --tag-int-bg: #e0f2fe;
  --tag-int-text: #075985;

  /* SIA 416 bar chart levels */
  --sia-l0: #94a3b8;
  --sia-l1: #0096C7;
  --sia-l1-alt: #b0d4e8;
  --sia-l2: #10B981;
  --sia-l2-alt: #a7f3d0;
  --sia-l3: #8B5CF6;
  --sia-l3-alt: #ddd6fe;

  /* Source badges */
  --src-bbl-bg: #e5e7eb;
  --src-bbl-text: #374151;
  --src-armasuisse-bg: #ecfccb;
  --src-armasuisse-text: #365314;
  --src-zh-bg: #e0f2fe;
  --src-zh-text: #075985;

  /* Warning */
  --warning: #D97706;
  --warning-bg: #FEF3C7;
  --warning-text: #78350f;
  --warning-border: #FCD34D;

  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Typography — 12px floor for readable text */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", Consolas, monospace;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 32px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl: 0 8px 24px rgba(0,0,0,0.12);

  /* Focus */
  --state-focus-ring: 0 0 0 3px rgba(200,16,46,0.25);
  --state-focus-outline: 2px solid var(--accent-500);

  /* Overlay */
  --overlay-bg: rgba(0,0,0,0.5);
}