/* ============================================
   WerkBasar — Design System Tokens
   Inspiriert von Kleinanzeigen.de, eigenständig
   Mobile-First, Custom Properties
   ============================================ */

:root {
  /* Brand — Industriewerkzeuge: Stahl + Werkbank */
  --color-brand: #E8700C;
  --color-brand-hover: #C85A00;
  --color-brand-light: #FFF4E6;
  --color-brand-dark: #A85200;

  /* Neutrals — warmes Grau für Industrie-Feel */
  --color-bg: #FAFAF9;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F5F4F1;
  --color-border: #E5E3DE;
  --color-divider: #EDEBE6;

  /* Text */
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-text-inverse: #FFFFFF;

  /* Semantic */
  --color-success: #16A34A;
  --color-success-light: #DCFCE7;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF9C3;
  --color-error: #DC2626;
  --color-error-light: #FEE2E2;
  --color-info: #0284C7;
  --color-info-light: #DBEAFE;

  /* Shadows — subtil, nicht Material-harsh */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-xl: 0 8px 24px rgba(0,0,0,0.1);

  /* Spacing — 4px basis */
  --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;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  /* Transition */
  --transition: 150ms ease;

  /* Layout */
  --header-height: 56px;
  --sidebar-width: 240px;
  --container-max: 1200px;
  --bottom-nav-height: 60px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

a { color: var(--color-brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-brand-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
input, button, select, textarea { font: inherit; }
button { cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; color: var(--color-text); }
h1 { font-size: var(--text-2xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-xl); font-weight: 600; }
h3 { font-size: var(--text-lg); font-weight: 600; }

@media (min-width: 768px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
}

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  min-height: 40px;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-brand);
  color: var(--color-text-inverse);
  border-color: var(--color-brand);
}
.btn--primary:hover {
  background: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
  color: var(--color-text-inverse);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-brand);
  border-color: var(--color-brand);
}
.btn--secondary:hover {
  background: var(--color-brand-light);
}

.btn--outline {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn--ghost:hover { color: var(--color-brand); }

.btn--danger { background: var(--color-error); color: var(--color-text-inverse); border-color: var(--color-error); }

.btn--sm { padding: 6px 12px; font-size: var(--text-xs); min-height: 32px; }
.btn--lg { padding: 14px 28px; font-size: var(--text-base); min-height: 48px; }
.btn--block { width: 100%; }

.btn:active { transform: scale(0.97); }

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
}
.badge--top { background: var(--color-brand); color: var(--color-text-inverse); }
.badge--business { background: #2563EB; color: var(--color-text-inverse); }
.badge--private { background: var(--color-surface-alt); color: var(--color-text-secondary); }
.badge--new { background: var(--color-success); color: var(--color-text-inverse); }
.badge--used { background: var(--color-surface-alt); color: var(--color-text-secondary); }

/* --- Forms --- */
.form-group { margin-bottom: var(--space-4); }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.form-input,
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 40px;
}

.form-input:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(232, 112, 12, 0.12);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* --- Flash Messages --- */
.flash-container { max-width: var(--container-max); margin: 0 auto; padding: var(--space-2) var(--space-4); }
.flash {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}
.flash--success { background: var(--color-success-light); color: #166534; }
.flash--error { background: var(--color-error-light); color: #991B1B; }
.flash--info { background: var(--color-info-light); color: #1E40AF; }
.flash--warning { background: var(--color-warning-light); color: #854D0E; }
.flash__close { font-size: var(--text-xl); opacity: .6; cursor: pointer; }
.flash__close:hover { opacity: 1; }

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  z-index: 9999;
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* --- Status Labels --- */
.status {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
}
.status--aktiv { background: var(--color-success-light); color: #166534; }
.status--pausiert { background: var(--color-warning-light); color: #854D0E; }
.status--verkauft { background: var(--color-info-light); color: #1E40AF; }
.status--entwurf { background: var(--color-surface-alt); color: var(--color-text-muted); }
.status--abgelaufen { background: var(--color-error-light); color: #991B1B; }
.status--gesperrt { background: var(--color-error-light); color: #991B1B; }

/* --- Pagination --- */
.pagination {
  display: flex;
  gap: var(--space-1);
  justify-content: center;
  padding: var(--space-6) 0;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: all var(--transition);
  min-width: 40px;
  text-align: center;
}
.pagination a:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
  background: var(--color-brand-light);
}
.pagination .active,
.pagination__link--active {
  background: var(--color-brand);
  color: var(--color-text-inverse) !important;
  border-color: var(--color-brand);
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: var(--space-2); }
.mt-2 { margin-top: var(--space-4); }
.mt-3 { margin-top: var(--space-6); }
.mt-4 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-4); }
.mb-4 { margin-bottom: var(--space-8); }

/* --- Grid --- */
.grid { display: grid; gap: var(--space-4); }
.grid--2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

@media (min-width: 768px) {
  .grid--4 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Honey (anti-spam) --- */
.honey { position: absolute; left: -9999px; }