/* ======================================
   FoodGPT Admin - Dark Theme
====================================== */

:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #1f1f1f;
  --bg-hover: #2a2a2a;
  
  --text-primary: #ffffff;
  --text-secondary: #a1a1a1;
  --text-muted: #666666;
  
  --accent-green: #22c55e;
  --accent-blue: #3b82f6;
  --accent-purple: #a855f7;
  --accent-orange: #f97316;
  --accent-red: #ef4444;
  
  --border-color: #333333;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --transition: all 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

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

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  padding: 20px 12px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.logo-icon {
  font-size: 28px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-badge {
  font-size: 11px;
  font-weight: 600;
  background: var(--accent-green);
  color: var(--bg-primary);
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-item.active {
  background: var(--accent-green);
  color: var(--bg-primary);
}

.nav-icon {
  font-size: 18px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 12px;
  border-top: 1px solid var(--border-color);
  margin-top: 20px;
}

.user-info {
  overflow: hidden;
}

.user-name {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logout-btn {
  text-decoration: none;
  font-size: 20px;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}

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

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px 40px;
  min-height: 100vh;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.page-header p {
  color: var(--text-muted);
  font-size: 14px;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.stat-icon {
  font-size: 36px;
  opacity: 0.9;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

.stat-green .stat-value { color: var(--accent-green); }
.stat-blue .stat-value { color: var(--accent-blue); }
.stat-purple .stat-value { color: var(--accent-purple); }
.stat-orange .stat-value { color: var(--accent-orange); }

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 24px;
  margin-bottom: 24px;
}

.card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.cards-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

/* Plan Stats */
.plan-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.plan-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.plan-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-muted);
}

.plan-dot.plan-trial { background: var(--accent-orange); }
.plan-dot.plan-monthly { background: var(--accent-blue); }
.plan-dot.plan-yearly { background: var(--accent-purple); }

.plan-name {
  flex: 1;
  color: var(--text-secondary);
}

.plan-count {
  font-weight: 600;
}

/* Activity Grid */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.activity-item {
  text-align: center;
  padding: 16px;
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
}

.activity-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-green);
}

.activity-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

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

.user-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 16px;
}

.user-name {
  font-weight: 500;
}

.user-username {
  font-size: 13px;
  color: var(--text-muted);
}

.text-muted {
  color: var(--text-muted);
  font-size: 13px;
}

.text-bold {
  font-weight: 600;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success { background: rgba(34, 197, 94, 0.2); color: var(--accent-green); }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); }
.badge-info { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }
.badge-warning { background: rgba(249, 115, 22, 0.2); color: var(--accent-orange); }
.badge-secondary { background: var(--bg-hover); color: var(--text-secondary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent-green);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: #16a34a;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
}

.btn-success {
  background: rgba(34, 197, 94, 0.2);
  color: var(--accent-green);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox-label input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-green);
}

/* Search */
.search-form {
  display: flex;
  gap: 8px;
}

.search-input {
  width: 240px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 14px;
}

.search-input::placeholder {
  color: var(--text-muted);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-muted);
}

.pagination-btns {
  display: flex;
  gap: 8px;
}

/* Alerts */
.alert {
  padding: 16px 20px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}

/* Plans Grid */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.plan-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 24px;
}

.plan-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.plan-badge {
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
}

.plan-trial .plan-badge { color: var(--accent-orange); }
.plan-monthly .plan-badge { color: var(--accent-blue); }
.plan-yearly .plan-badge { color: var(--accent-purple); }

/* Login Page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 40px;
  box-shadow: var(--shadow);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

.login-header p {
  color: var(--text-muted);
  font-size: 14px;
}

/* Notifications Cell */
.notifications-cell {
  min-width: 180px;
}

.notif-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.notif-info .badge {
  font-size: 10px;
  padding: 2px 6px;
  margin-right: 4px;
}

.badge-muted {
  background: var(--bg-hover);
  color: var(--text-muted);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.modal[style*="display: flex"],
.modal[style*="display:flex"] {
  display: flex !important;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 32px;
  width: 100%;
  max-width: 450px;
  box-shadow: var(--shadow);
}

.modal-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
}

.modal-content .form-group {
  margin-bottom: 20px;
}

.modal-content .form-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
}

.modal-content .form-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-green);
}

.modal-content select,
.modal-content input[type="time"] {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 14px;
}

.modal-content select:focus,
.modal-content input[type="time"]:focus {
  outline: none;
  border-color: var(--accent-green);
}

.time-range {
  display: flex;
  align-items: center;
  gap: 12px;
}

.time-range input {
  flex: 1;
}

.time-range span {
  color: var(--text-muted);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 28px;
}

/* User Detail Page */
.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  display: inline-block;
  margin-bottom: 12px;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--accent-green);
}

.page-header-left {
  flex: 1;
}

.page-header-actions {
  display: flex;
  gap: 12px;
}

.user-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-header h1 {
  margin-bottom: 0;
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: 24px;
}

.cards-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.user-info-card {
  min-height: 180px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row span:first-child {
  color: var(--text-muted);
}

/* Events Timeline */
.events-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.events-header h3 {
  margin-bottom: 0;
}

.events-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-chip:hover {
  border-color: var(--text-muted);
}

.filter-chip.active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--bg-primary);
}

.filter-chip input {
  display: none;
}

.events-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.event-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-sm);
  border-left: 4px solid var(--text-muted);
  transition: var(--transition);
}

.event-item:hover {
  background: var(--bg-hover);
}

.event-meal { border-left-color: var(--accent-orange); }
.event-water { border-left-color: var(--accent-blue); }
.event-notification { border-left-color: var(--accent-purple); }
.event-weight { border-left-color: var(--accent-green); }
.event-transaction { border-left-color: #f59e0b; }
.event-registration { border-left-color: var(--accent-green); }

.event-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.event-content {
  flex: 1;
  min-width: 0;
}

.event-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.event-description {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 4px;
}

.event-time {
  color: var(--text-muted);
  font-size: 12px;
}

.events-empty {
  padding: 48px;
  text-align: center;
  color: var(--text-muted);
}

/* Delete Modal */
.modal-danger h3 {
  color: var(--accent-red);
}

.delete-list {
  margin: 16px 0;
  padding-left: 24px;
  color: var(--text-secondary);
}

.delete-list li {
  margin-bottom: 8px;
}

.text-danger {
  color: var(--accent-red);
}

/* Clickable Table Rows */
.clickable-row {
  cursor: pointer;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    width: 80px;
    padding: 20px 8px;
  }
  
  .sidebar-logo {
    justify-content: center;
    padding: 0 0 20px;
  }
  
  .logo-text, .logo-badge, .nav-item span:not(.nav-icon), .user-info {
    display: none;
  }
  
  .nav-item {
    justify-content: center;
    padding: 14px;
  }
  
  .nav-icon {
    font-size: 22px;
  }
  
  .main-content {
    margin-left: 80px;
    padding: 24px;
  }
  
  .cards-row {
    grid-template-columns: 1fr;
  }
  
  .activity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .sidebar {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
    padding: 16px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .cards-row-3 {
    grid-template-columns: 1fr;
  }
  
  .events-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .page-header {
    flex-direction: column;
    gap: 16px;
  }
  
  .page-header-actions {
    width: 100%;
  }
  
  .page-header-actions .btn {
    width: 100%;
  }
}