:root {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border: #cbd5e1;
  --eg-red: #d62828;
  --eg-red-dark: #b91c1c;
  --eg-red-soft: #fef2f2;
  --eg-blue: #1d4ed8;
  --eg-blue-dark: #1e40af;
  --eg-blue-soft: #eff6ff;
  --eg-green: #15803d;
  --eg-green-soft: #f0fdf4;
  --eg-amber: #b45309;
  --eg-amber-soft: #fffbeb;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  padding-bottom: 48px;
}

.app-header {
  background: var(--bg-card);
  border-bottom: 3px solid var(--eg-red);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1220px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.brand-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background: var(--eg-red);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.9rem;
  padding: 8px 12px;
  border-radius: 8px;
}

.brand-title h1 {
  font-size: 1.25rem;
  font-weight: 800;
}

.brand-title p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.status-pill {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--eg-green-soft);
  color: var(--eg-green);
  border: 1px solid #bbf7d0;
}

.container {
  max-width: 1220px;
  margin: 20px auto;
  padding: 0 16px;
}

/* Main Navigation Tabs */
.nav-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (max-width: 820px) {
  .nav-tabs {
    grid-template-columns: 1fr;
  }
}

.nav-tab-btn {
  min-height: 64px;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-tab-btn strong {
  display: block;
  font-size: 1rem;
}

.nav-tab-btn span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-tab-btn.active {
  border-color: var(--eg-red);
  background: var(--eg-red-soft);
}

.nav-tab-btn.active strong {
  color: var(--eg-red);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e2e8f0;
  flex-wrap: wrap;
}

.card-title {
  font-size: 1.08rem;
  font-weight: 800;
}

.card-subtitle {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  font-size: 0.84rem;
  font-weight: 700;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
select,
textarea {
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.94rem;
  font-family: inherit;
  color: var(--text-main);
  background: #ffffff;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.btn {
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: var(--eg-red);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--eg-red-dark);
}

.btn-blue {
  background: var(--eg-blue);
  color: #ffffff;
}

.btn-green {
  background: var(--eg-green);
  color: #ffffff;
}

.btn-outline {
  background: #ffffff;
  border-color: var(--border);
  color: var(--text-main);
}

.btn-sm {
  min-height: 38px;
  padding: 6px 12px;
  font-size: 0.82rem;
}

/* Kolonnen Cards */
.kolonnen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.kolonne-card {
  border: 1px solid var(--border);
  border-left: 5px solid var(--eg-blue);
  border-radius: 10px;
  padding: 14px;
  background: #ffffff;
}

/* Ampel Badges */
.ampel-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.ampel-gruen {
  background: var(--eg-green-soft);
  color: var(--eg-green);
  border: 1px solid #86efac;
}

.ampel-gelb {
  background: var(--eg-amber-soft);
  color: var(--eg-amber);
  border: 1px solid #fcd34d;
}

.ampel-rot {
  background: var(--eg-red-soft);
  color: var(--eg-red);
  border: 1px solid #fca5a5;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
}

th {
  background: #f1f5f9;
  font-weight: 700;
}

/* UVV Checklist */
.uvv-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  background: #ffffff;
  gap: 12px;
  flex-wrap: wrap;
}

.uvv-item strong {
  font-size: 0.92rem;
}

.uvv-item span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}