:root {
  --color-primary: #2d6a4f;
  --color-primary-dark: #1b4332;
  --color-primary-light: #52b788;
  --color-secondary: #74c69d;
  --color-danger: #e63946;
  --color-danger-dark: #c1121f;
  --color-warning: #f4a261;
  --color-info: #457b9d;
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #212529;
  --color-text-muted: #6c757d;
  --color-border: #dee2e6;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 1rem;
  --spacing-4: 1.5rem;
  --spacing-5: 2rem;
  --spacing-6: 3rem;
  --radius: 6px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Navigation */
header {
  background: var(--color-primary);
  padding: var(--spacing-3) 0;
  box-shadow: var(--shadow);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.nav-brand {
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
}

.nav-brand:hover {
  text-decoration: none;
  color: white;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-4);
}

.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.nav-links a:hover {
  color: white;
  text-decoration: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-5) var(--spacing-4);
}

/* Footer */
.main-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: var(--spacing-3);
  margin-top: var(--spacing-6);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-primary-dark);
}

.btn-secondary:hover {
  background: var(--color-primary-light);
  text-decoration: none;
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover {
  background: var(--color-danger-dark);
  text-decoration: none;
}

.btn-link {
  background: transparent;
  color: var(--color-primary);
  padding: var(--spacing-1) var(--spacing-2);
}

.btn-link:hover {
  text-decoration: underline;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing-4);
}

.card-header {
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.card-body {
  padding: var(--spacing-4);
}

.card-footer {
  padding: var(--spacing-3) var(--spacing-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-2);
}

a.card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: box-shadow 0.2s;
}

a.card:hover {
  box-shadow: var(--shadow-lg);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-3);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-1);
  font-weight: 500;
  color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  color: var(--color-danger);
  font-size: 0.875rem;
  margin-top: var(--spacing-1);
}

/* Template Preview */
.template-dimensions {
  margin-bottom: var(--spacing-3);
  padding: var(--spacing-2);
  background: var(--color-bg);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.template-preview {
  font-weight: 600;
  color: var(--color-primary);
}

/* Alerts */
.alert {
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-4);
}

.alert-info {
  background: #e7f3ff;
  color: var(--color-info);
  border: 1px solid #b3d9f2;
}

.alert-success {
  background: #e8f5e9;
  color: var(--color-primary-dark);
  border: 1px solid #c8e6c9;
}

.alert-warning {
  background: #fff3e0;
  color: #e65100;
  border: 1px solid #ffe0b2;
}

.alert-danger {
  background: #ffebee;
  color: var(--color-danger-dark);
  border: 1px solid #ffcdd2;
}

/* Badges */
.badge {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-default {
  background: var(--color-border);
  color: var(--color-text-muted);
}

.badge-planted {
  background: #e8f5e9;
  color: var(--color-primary-dark);
}

.badge-growing {
  background: #c8e6c9;
  color: #2e7d32;
}

.badge-harvested {
  background: #fff3e0;
  color: #e65100;
}

.badge-failed {
  background: #ffebee;
  color: var(--color-danger-dark);
}

/* Data Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: var(--spacing-2) var(--spacing-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
}

.data-table tr:hover {
  background: rgba(45, 106, 79, 0.03);
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-5);
}

.page-header h1 {
  font-size: 1.75rem;
  color: var(--color-primary-dark);
}

/* Photo Gallery */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-3);
  margin: var(--spacing-4) 0;
}

.photo-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--color-surface);
}

.photo-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.photo-card .photo-caption {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-5);
}

.stat-card {
  background: var(--color-surface);
  padding: var(--spacing-4);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.stat-card-link {
  text-decoration: none;
  display: block;
  transition: transform 0.15s, box-shadow 0.15s;
}

.stat-card-link:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.stat-card-link:hover .stat-card {
  border-color: var(--color-primary-light);
}

.stat-card .stat-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--color-primary);
}

.stat-card .stat-label {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  margin-top: var(--spacing-1);
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
}

/* Avatar */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: white;
  font-weight: 600;
}

/* Utility */
.text-muted {
  color: var(--color-text-muted);
}

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

.mt-3 {
  margin-top: var(--spacing-3);
}

.mt-4 {
  margin-top: var(--spacing-4);
}

.mb-3 {
  margin-bottom: var(--spacing-3);
}