/* =============================================
   IBL Back - Admin Panel CSS
   ============================================= */

:root {
  --color-primary: #4f46e5;
  --color-primary-dark: #3730a3;
  --color-primary-light: #818cf8;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;
  --color-teal: #14b8a6;

  --sidebar-width: 240px;
  --topbar-height: 60px;

  --bg-body: #f1f5f9;
  --bg-card: #ffffff;
  --bg-sidebar: #1e1b4b;
  --bg-sidebar-hover: rgba(255,255,255,0.08);
  --bg-sidebar-active: rgba(255,255,255,0.15);

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-sidebar: rgba(255,255,255,0.85);
  --text-sidebar-muted: rgba(255,255,255,0.4);

  --border-color: #e2e8f0;
  --border-radius: 10px;
  --border-radius-sm: 6px;

  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.2s ease;
}

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

html { font-size: 14px; }

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

/* =============================================
   LAYOUT
   ============================================= */

.app-wrapper {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left var(--transition);
}

.page-content {
  flex: 1;
  padding: 24px;
}

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

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.sidebar-logo i {
  color: var(--color-primary-light);
  font-size: 1.3rem;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-sidebar-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 1rem;
  display: none;
}

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

.nav-section {
  margin-bottom: 8px;
}

.nav-label {
  display: block;
  padding: 4px 20px 6px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-sidebar-muted);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--text-sidebar);
  text-decoration: none;
  border-radius: 0;
  transition: background var(--transition);
  font-size: 0.9rem;
}

.nav-item i {
  width: 18px;
  text-align: center;
  opacity: 0.7;
}

.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
}

.nav-item:hover i { opacity: 1; }

.nav-item.active {
  background: var(--bg-sidebar-active);
  color: #fff;
  border-left: 3px solid var(--color-primary-light);
}

.nav-item.active i { opacity: 1; }

.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 12px 0;
}

.nav-item.logout:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

/* =============================================
   TOPBAR
   ============================================= */

.topbar {
  height: var(--topbar-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

.topbar-menu-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.1rem;
  display: none;
}

.topbar-title {
  flex: 1;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.topbar-user i {
  color: var(--color-primary);
}

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

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

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

.card-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-header h3 i {
  color: var(--color-primary);
}

.card-body {
  padding: 20px;
}

.card-body.p-0 {
  padding: 0;
}

.mt-3 { margin-top: 16px; }
.mt-2 { margin-top: 8px; }

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.stat-icon.blue { background: rgba(79, 70, 229, 0.1); color: var(--color-primary); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.1); color: var(--color-warning); }
.stat-icon.green { background: rgba(16, 185, 129, 0.1); color: var(--color-success); }
.stat-icon.teal { background: rgba(20, 184, 166, 0.1); color: var(--color-teal); }
.stat-icon.red { background: rgba(239, 68, 68, 0.1); color: var(--color-danger); }

.stat-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* =============================================
   DASHBOARD GRID
   ============================================= */

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

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

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

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table th {
  padding: 10px 16px;
  background: #f8fafc;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

.table-hover tbody tr:hover td {
  background: #f8fafc;
}

.table a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.table a:hover { text-decoration: underline; }

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-success { background: rgba(16, 185, 129, 0.1); color: #059669; }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: #d97706; }
.badge-danger  { background: rgba(239, 68, 68, 0.1); color: #dc2626; }
.badge-secondary { background: rgba(100, 116, 139, 0.1); color: #475569; }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

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

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

.btn-warning {
  background: var(--color-warning);
  color: #fff;
  border-color: var(--color-warning);
}
.btn-warning:hover { filter: brightness(0.9); }

.btn-success {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-outline:hover { background: var(--bg-body); }

.btn-block { width: 100%; justify-content: center; }

.btn-sm {
  padding: 5px 10px;
  font-size: 0.8rem;
}

/* =============================================
   FORMS
   ============================================= */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  padding: 9px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--bg-card);
  transition: border-color var(--transition);
  font-family: var(--font-family);
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

select.form-control { appearance: none; cursor: pointer; }

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  flex: 1;
}

.btn-toggle-pw {
  padding: 0 12px;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-left: none;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  cursor: pointer;
  color: var(--text-secondary);
}

/* =============================================
   FILTERS
   ============================================= */

.filter-form { }
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.filter-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* =============================================
   PAGE HEADER
   ============================================= */

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

.page-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-actions {
  display: flex;
  gap: 8px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

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

/* =============================================
   DETAIL VIEW
   ============================================= */

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.detail-value {
  font-size: 0.875rem;
  color: var(--text-primary);
  text-align: right;
}

code {
  font-family: 'Courier New', monospace;
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8em;
  color: var(--color-primary-dark);
  word-break: break-all;
}

/* =============================================
   QR CODE
   ============================================= */

.qrcode-container {
  display: flex;
  justify-content: center;
  padding: 12px;
}

.qrcode-img {
  max-width: 200px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
}

.copiacola-box label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.copiacola-input {
  display: flex;
  gap: 0;
}

.copiacola-input .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  font-size: 0.75rem;
}

.copiacola-input .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* =============================================
   ALERTS
   ============================================= */

.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-success { background: rgba(16, 185, 129, 0.08); color: #065f46; border: 1px solid rgba(16, 185, 129, 0.2); }
.alert-danger   { background: rgba(239, 68, 68, 0.08); color: #991b1b; border: 1px solid rgba(239, 68, 68, 0.2); }
.alert-warning  { background: rgba(245, 158, 11, 0.08); color: #92400e; border: 1px solid rgba(245, 158, 11, 0.2); }
.alert-info     { background: rgba(59, 130, 246, 0.08); color: #1e40af; border: 1px solid rgba(59, 130, 246, 0.2); }

.alert h4 { font-size: 0.9rem; margin-bottom: 6px; }
.alert ul { padding-left: 16px; margin-top: 6px; }
.alert ul li { margin-bottom: 2px; }

/* =============================================
   UPLOAD AREA
   ============================================= */

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--color-primary);
  background: rgba(79, 70, 229, 0.03);
}

.upload-area i {
  font-size: 2.5rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 12px;
}

.upload-area p {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* =============================================
   QUICK ACTIONS
   ============================================= */

.action-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* =============================================
   PROGRESS
   ============================================= */

.progress {
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 4px;
  animation: progress-indeterminate 1.5s ease infinite;
  width: 40%;
}

@keyframes progress-indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* =============================================
   PAGINATION
   ============================================= */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
}

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

/* =============================================
   EMPTY STATE
   ============================================= */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  color: var(--text-muted);
  gap: 12px;
}

.empty-state i {
  font-size: 2.5rem;
  opacity: 0.4;
}

.empty-state p {
  font-size: 0.875rem;
}

/* =============================================
   AUTH
   ============================================= */

.auth-body {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-container {
  width: 100%;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo i {
  font-size: 2.5rem;
  color: var(--color-primary);
  display: block;
  margin-bottom: 8px;
}

.auth-logo h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.auth-logo p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* =============================================
   TEXT UTILITIES
   ============================================= */

.text-muted { color: var(--text-secondary); }
.text-center { text-align: center; }

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

@media (max-width: 768px) {
  .main-content {
    margin-left: 0;
  }

  .sidebar {
    transform: translateX(-100%);
  }

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

  .topbar-menu-btn {
    display: block;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .filter-grid {
    grid-template-columns: 1fr 1fr;
  }

  .action-buttons {
    flex-direction: column;
  }
}

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

  .filter-grid {
    grid-template-columns: 1fr;
  }

  .page-content {
    padding: 16px;
  }
}