/* === Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* === Custom Properties === */
:root {
  --color-primary: #2D2D2D;
  --color-accent: #FF6B00;
  --color-bg: #F5F5F0;
  --color-card: #FFFFFF;
  --color-border: #E0E0E0;
  --color-text: #333333;
  --color-gap-gruen: #27AE60;
  --color-gap-gelb: #F39C12;
  --color-gap-rot: #E74C3C;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

/* === Layout === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === Header === */
.header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.header-inner {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.logo-conatic {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
}

.logo-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
}

.header-subtitle {
  width: 100%;
  font-size: 14px;
  color: #888;
  margin-top: -4px;
}

/* === Navigation === */
.nav {
  background: var(--color-card);
  border-bottom: 2px solid var(--color-border);
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 0;
}

.nav-list a {
  display: block;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  color: #777;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}

.nav-list a:hover {
  color: var(--color-text);
}

.nav-list a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

/* === KPI Cards === */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.kpi-card {
  text-align: center;
}

.kpi-icon {
  font-size: 24px;
  margin-bottom: 4px;
}

.kpi-label {
  font-size: 13px;
  color: #888;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 8px 0 4px;
}

.kpi-sub {
  font-size: 13px;
  color: #999;
}

/* === Skeleton Loading === */
.skeleton {
  background: linear-gradient(90deg, #eee 25%, #ddd 50%, #eee 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: 6px;
  color: transparent !important;
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* === Table === */
.table-card {
  margin-bottom: 40px;
  overflow-x: auto;
}

.table-card h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #888;
  padding: 10px 16px;
  border-bottom: 2px solid var(--color-border);
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.table tbody tr {
  transition: background 0.15s ease;
}

.table tbody tr:hover {
  background: #FAFAF7;
}

.table tbody tr[style*="cursor"],
.table tbody tr.clickable {
  cursor: pointer;
}

.table tbody tr[style*="cursor"]:hover,
.table tbody tr.clickable:hover {
  background: #F5F3EE;
}

.table .mono {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* === Gap Ampel === */
.gap-gruen {
  color: var(--color-gap-gruen);
  font-weight: 600;
}

.gap-gelb {
  color: var(--color-gap-gelb);
  font-weight: 600;
}

.gap-rot {
  color: var(--color-gap-rot);
  font-weight: 600;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.gruen { background: var(--color-gap-gruen); }
.status-dot.gelb { background: var(--color-gap-gelb); }
.status-dot.rot { background: var(--color-gap-rot); }
.status-dot.aktiv { background: var(--color-accent); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, transform 0.1s;
}

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

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: #e55f00;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-outline:hover {
  background: #f0f0ec;
}

/* === Footer === */
.footer {
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
  color: #aaa;
  border-top: 1px solid var(--color-border);
  margin-top: 20px;
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 40px;
  color: #aaa;
}

/* === Pagination === */
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.pagination-info {
  font-size: 13px;
  color: #888;
  margin-right: 12px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  min-width: 36px;
  justify-content: center;
}

.btn-sm:disabled,
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === Focus styles for inputs === */
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.15);
}

/* === Responsive === */
@media (max-width: 768px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .nav-list {
    overflow-x: auto;
  }

  .nav-list a {
    padding: 12px 16px;
    white-space: nowrap;
  }

  .table-card {
    overflow-x: auto;
  }

  .header-inner {
    flex-direction: column;
    gap: 4px;
  }

  .meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .meta-grid {
    grid-template-columns: 1fr;
  }
  .logo-conatic, .logo-title {
    font-size: 22px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar .spacer {
    display: none;
  }

  .filter-bar input[type="text"] {
    min-width: unset;
    width: 100%;
  }
}