:root {
  --primary: #79be15;
  --primary-dark: #5a9910;
  --success: #22c55e;
  --warning: #eab308;
  --error: #ef4444;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* Icon styles */
.icon {
  width: 20px;
  height: 20px;
  vertical-align: -4px;
  margin-right: 4px;
}

.icon-sm {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
  margin-right: 2px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

/* Meta row layout */
.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.logo {
  text-align: center;
  margin-bottom: 2rem;
}

.logo h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), #8DC843);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.card-header {
  margin-bottom: 1.5rem;
}

.card-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.card-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-group .hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.form-group .char-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: 0.25rem;
}

.form-group .char-count.warning {
  color: var(--warning);
}

.form-group .char-count.error {
  color: var(--error);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
  width: 100%;
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--bg);
}

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

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

.alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.hidden {
  display: none !important;
}

/* Dashboard specific styles */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-user span {
  font-weight: 500;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  border: 1px solid var(--border);
}

.stat-card .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-card .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.notification-list {
  margin-top: 1.5rem;
}

.notification-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
}

.notification-item .header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.notification-item .title {
  font-weight: 600;
}

.notification-item .body {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.notification-item .meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-pending {
  background: #fef3c7;
  color: #92400e;
}

.badge-approved {
  background: #dcfce7;
  color: #166534;
}

.badge-rejected {
  background: #fee2e2;
  color: #991b1b;
}

/* Approval page styles */
.approval-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.approval-actions .btn {
  flex: 1;
  padding: 0.5rem;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 1rem;
  }
  
  .card {
    padding: 1.5rem;
  }
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f2937;
    --card-bg: #374151;
    --text: #f3f4f6;
    --text-muted: #9ca3af;
    --border: #4b5563;
  }

  .alert-success {
    background: #065f46;
    color: #a7f3d0;
    border-color: #059669;
  }

  .alert-error {
    background: #7f1d1d;
    color: #fecaca;
    border-color: #dc2626;
  }

  .alert-warning {
    background: #78350f;
    color: #fde68a;
    border-color: #d97706;
  }

  .badge-pending {
    background: #78350f;
    color: #fde68a;
  }

  .badge-approved {
    background: #065f46;
    color: #a7f3d0;
  }

  .badge-rejected {
    background: #7f1d1d;
    color: #fecaca;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
  }

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

  .btn-outline:hover {
    background: var(--card-bg);
  }
}