:root {
  --netflix-red: #E50914;
  --netflix-red-dark: #B20710;
  --netflix-black: #141414;
  --netflix-dark: #1a1a2e;
  --netflix-card: #1e1e30;
  --netflix-card-hover: #252540;
  --netflix-border: #2a2a45;
  --netflix-text: #e5e5e5;
  --netflix-text-muted: #999;
  --netflix-success: #46d369;
  --netflix-warning: #f5c518;
  --netflix-danger: #e50914;
  --netflix-info: #0080ff;
  --sidebar-width: 250px;
}

* { box-sizing: border-box; }

body {
  background-color: var(--netflix-dark);
  color: var(--netflix-text);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  min-height: 100vh;
}

/* Login page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
}

.login-card {
  background: var(--netflix-card);
  border-radius: 12px;
  padding: 48px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  border: 1px solid var(--netflix-border);
}

.login-card h1 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 2rem;
  color: var(--netflix-red);
  font-weight: 800;
}

.login-card .subtitle {
  text-align: center;
  color: var(--netflix-text-muted);
  margin-bottom: 32px;
  font-size: 0.9rem;
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: #0d0d1a;
  border-right: 1px solid var(--netflix-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--netflix-border);
}

.sidebar-brand h2 {
  color: var(--netflix-red);
  font-weight: 800;
  font-size: 1.4rem;
  margin: 0;
}

.sidebar-brand small {
  color: var(--netflix-text-muted);
  font-size: 0.75rem;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--netflix-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  color: var(--netflix-text);
  background: rgba(229, 9, 20, 0.08);
}

.sidebar-nav a.active {
  color: #fff;
  background: rgba(229, 9, 20, 0.15);
  border-left-color: var(--netflix-red);
}

.sidebar-nav a .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
}

.sidebar-user {
  padding: 16px 20px;
  border-top: 1px solid var(--netflix-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-user .user-info {
  font-size: 0.85rem;
}

.sidebar-user .user-name {
  color: var(--netflix-text);
  font-weight: 600;
}

.sidebar-user .user-role {
  color: var(--netflix-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

/* Main content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 24px;
  min-height: 100vh;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0;
}

/* Cards */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--netflix-card);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid var(--netflix-border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.stat-card .stat-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--netflix-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.stat-card.red { border-top: 3px solid var(--netflix-red); }
.stat-card.green { border-top: 3px solid var(--netflix-success); }
.stat-card.yellow { border-top: 3px solid var(--netflix-warning); }
.stat-card.blue { border-top: 3px solid var(--netflix-info); }

/* Data cards / panels */
.data-card {
  background: var(--netflix-card);
  border-radius: 10px;
  border: 1px solid var(--netflix-border);
  margin-bottom: 20px;
  overflow: hidden;
}

.data-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--netflix-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.data-card-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.data-card-body {
  padding: 20px;
}

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

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

.data-table th {
  text-align: left;
  padding: 12px 16px;
  color: var(--netflix-text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--netflix-border);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(42,42,69,0.5);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(229, 9, 20, 0.04);
}

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

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-active, .badge-paid, .badge-available { background: rgba(70,211,105,0.15); color: var(--netflix-success); }
.badge-pending, .badge-suspended { background: rgba(245,197,24,0.15); color: var(--netflix-warning); }
.badge-overdue, .badge-blocked, .badge-inactive { background: rgba(229,9,20,0.15); color: var(--netflix-danger); }
.badge-occupied { background: rgba(0,128,255,0.15); color: var(--netflix-info); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--netflix-red);
  color: #fff;
}
.btn-primary:hover { background: var(--netflix-red-dark); }

.btn-secondary {
  background: var(--netflix-border);
  color: var(--netflix-text);
}
.btn-secondary:hover { background: #353555; }

.btn-success {
  background: rgba(70,211,105,0.2);
  color: var(--netflix-success);
}
.btn-success:hover { background: rgba(70,211,105,0.3); }

.btn-danger {
  background: rgba(229,9,20,0.2);
  color: var(--netflix-danger);
}
.btn-danger:hover { background: rgba(229,9,20,0.3); }

.btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
}

.btn-icon {
  padding: 6px 10px;
  min-width: auto;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--netflix-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--netflix-border);
  border-radius: 6px;
  color: var(--netflix-text);
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--netflix-red);
  box-shadow: 0 0 0 2px rgba(229,9,20,0.2);
}

.form-control option { background: var(--netflix-card); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background: var(--netflix-card);
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--netflix-border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--netflix-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--netflix-text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}
.modal-close:hover { color: #fff; }

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--netflix-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Search & Filters */
.filters-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  padding: 8px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--netflix-border);
  border-radius: 6px;
  color: var(--netflix-text);
  font-size: 0.85rem;
  min-width: 200px;
}
.search-input:focus { outline: none; border-color: var(--netflix-red); }

.filter-select {
  padding: 8px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--netflix-border);
  border-radius: 6px;
  color: var(--netflix-text);
  font-size: 0.85rem;
}
.filter-select option { background: var(--netflix-card); }

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-warning {
  background: rgba(245,197,24,0.1);
  border: 1px solid rgba(245,197,24,0.3);
  color: var(--netflix-warning);
}

.alert-danger {
  background: rgba(229,9,20,0.1);
  border: 1px solid rgba(229,9,20,0.3);
  color: var(--netflix-danger);
}

.alert-success {
  background: rgba(70,211,105,0.1);
  border: 1px solid rgba(70,211,105,0.3);
  color: var(--netflix-success);
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: 8px;
  background: var(--netflix-card);
  border: 1px solid var(--netflix-border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease;
  font-size: 0.88rem;
  min-width: 280px;
}

.toast.success { border-left: 4px solid var(--netflix-success); }
.toast.error { border-left: 4px solid var(--netflix-danger); }
.toast.warning { border-left: 4px solid var(--netflix-warning); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--netflix-text-muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* Actions column */
.actions {
  display: flex;
  gap: 6px;
  white-space: nowrap;
}

/* Mobile toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1001;
  background: var(--netflix-red);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: block;
  }

  .main-content {
    margin-left: 0;
    padding: 16px;
    padding-top: 52px;
  }

  .stat-cards {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .filters-bar {
    width: 100%;
  }

  .search-input {
    min-width: 0;
    flex: 1;
  }

  .login-card {
    margin: 16px;
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .stat-cards {
    grid-template-columns: 1fr;
  }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--netflix-dark); }
::-webkit-scrollbar-thumb { background: var(--netflix-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #404060; }

/* Password visibility toggle */
.password-wrapper {
  position: relative;
}
.password-wrapper .form-control { padding-right: 40px; }
.password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--netflix-text-muted);
  cursor: pointer;
  font-size: 1rem;
}

/* Chart container */
.chart-container {
  position: relative;
  height: 250px;
}