:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-text: #1a1f2e;
  --color-text-muted: #6b7280;
  --color-accent: #1e3a5f;
  --color-accent-soft: #e8eef5;
  --color-border: #e2e6ec;
  --color-success: #2d7a4f;
  --color-warning: #b45309;
  --color-danger: #b91c1c;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --radius: 10px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body.map-page {
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.app-header h1 {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.app-header h1 .subtitle {
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 6px;
}

.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.search-box input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--color-bg);
  transition: border-color 0.15s, background 0.15s;
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface);
}

.search-box::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236b7280'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E") no-repeat;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: #15294a;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg);
  border-color: #cbd1d9;
}

.btn-danger {
  background: #fff;
  color: var(--color-danger);
  border-color: #f3c5c5;
}

.btn-danger:hover {
  background: #fef2f2;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 13px;
}

/* Map */
#map {
  flex: 1;
  width: 100%;
  background: #dde4eb;
}

/* Project popup */
.leaflet-popup-content-wrapper {
  border-radius: var(--radius);
  padding: 0;
  box-shadow: var(--shadow-lg);
}

.leaflet-popup-content {
  margin: 0;
  width: 320px !important;
}

.popup-card {
  padding: 0;
}

.popup-image {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, var(--color-accent-soft), #d4dde9);
  border-radius: var(--radius) var(--radius) 0 0;
}

.popup-image-placeholder {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, var(--color-accent-soft), #d4dde9);
  border-radius: var(--radius) var(--radius) 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.popup-body {
  padding: 14px 16px 16px;
}

.popup-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 2px;
  color: var(--color-text);
  line-height: 1.3;
}

.popup-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin: 0 0 10px;
}

.popup-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}

.tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 500;
}

.tag-status {
  background: #e8f5ee;
  color: var(--color-success);
}

.tag-status[data-status="In Planung"] {
  background: #fef3e0;
  color: var(--color-warning);
}

.tag-status[data-status="Ausverkauft"] {
  background: #f3f4f6;
  color: var(--color-text-muted);
}

.kpi-hero {
  background: linear-gradient(135deg, var(--color-accent-soft), #f0f5fb);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  text-align: center;
  border: 1px solid #d6e0ee;
}

.kpi-hero-label {
  font-size: 11px;
  color: var(--color-text-muted);
  margin: 0;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-hero-value {
  font-size: 32px;
  font-weight: 700;
  margin: 4px 0 2px;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.kpi-hero-sub {
  font-size: 12px;
  color: var(--color-text-muted);
  margin: 2px 0 0;
}

.popup-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--color-text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}

.popup-footer a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.popup-footer a:hover {
  text-decoration: underline;
}

/* Custom marker */
.project-marker {
  background: var(--color-accent);
  border: 3px solid #fff;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: transform 0.15s;
}

.project-marker:hover {
  transform: scale(1.2);
}

.project-marker.status-planning {
  background: var(--color-warning);
}

.project-marker.status-soldout {
  background: var(--color-text-muted);
}

/* Admin page */
body.admin-page {
  min-height: 100vh;
  padding: 0;
}

.admin-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.admin-header h1 {
  font-size: 22px;
  margin: 0;
  font-weight: 600;
}

.admin-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.admin-section h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-field textarea {
  min-height: 60px;
  resize: vertical;
}

.coords-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.coords-row .form-field {
  flex: 1;
}

.coords-row .btn {
  flex-shrink: 0;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.project-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  margin-bottom: 6px;
  background: var(--color-surface);
  gap: 12px;
}

.project-row:hover {
  background: var(--color-bg);
}

.project-row-info {
  flex: 1;
  min-width: 0;
}

.project-row-info .name {
  font-weight: 500;
  font-size: 14px;
  margin: 0;
}

.project-row-info .meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin: 1px 0 0;
}

.project-row-actions {
  display: flex;
  gap: 4px;
}

.helper-text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin: -4px 0 8px;
  font-style: italic;
}

.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 12px;
}

.alert-info {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid #c6d3e3;
}

.alert-success {
  background: #e8f5ee;
  color: var(--color-success);
  border: 1px solid #b8dcc7;
}

.alert-warning {
  background: #fef3e0;
  color: var(--color-warning);
  border: 1px solid #f5d9a3;
}

.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.kpi-mini-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

@media (max-width: 720px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .kpi-mini-grid {
    grid-template-columns: 1fr 1fr;
  }
  .app-header {
    flex-wrap: wrap;
  }
  .search-box {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }
}