/**
 * Admin Panel Styles
 */

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

:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --sidebar-width: 260px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
}

.admin-container {
  display: flex;
  min-height: 100vh;
}

/* ========== SIDEBAR ========== */

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.sidebar-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}

.sidebar-nav a:hover {
  background: var(--bg-main);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  background: var(--primary);
  color: white;
  font-weight: 500;
}

.sidebar-nav a .icon {
  margin-right: 0.75rem;
  font-size: 1.25rem;
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

.admin-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.admin-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.125rem;
}

.admin-details {
  flex: 1;
}

.admin-name {
  font-weight: 500;
  font-size: 0.875rem;
}

.admin-role {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.btn-logout {
  width: 100%;
  padding: 0.625rem 1rem;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s;
}

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

/* ========== MAIN CONTENT ========== */

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 2rem;
}

.page-header {
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  color: var(--text-secondary);
}

/* ========== CARDS ========== */

.card {
  background: var(--bg-card);
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

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

/* ========== STATS GRID ========== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

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

/* ========== TABLE ========== */

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

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

thead {
  background: var(--bg-main);
}

th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--bg-main);
}

/* ========== BADGES ========== */

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-processing { background: #dbeafe; color: #1e40af; }
.badge-completed { background: #d1fae5; color: #065f46; }
.badge-cancelled { background: #fee2e2; color: #991b1b; }

/* ========== BUTTONS ========== */

.btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

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

.btn-secondary {
  background: var(--bg-main);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

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

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.813rem;
}

/* ========== LOGIN PAGE ========== */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
}

.login-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 3rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

.login-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.login-subtitle {
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 1.5rem;
}

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

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.error-message {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 1rem;
  padding: 0.75rem;
  background: #fee2e2;
  border-radius: 0.5rem;
}

/* ========== RESPONSIVE ========== */

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}