/*
 * CryptoDesk Admin Panel Stylesheet
 * Custom CSS for admin tabbed management, status lists, forms, and JSON utilities.
 */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-fast: 0.15s ease;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header style identical to index.html */
.admin-header {
  height: 64px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  background-color: var(--primary);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

.admin-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.admin-title span {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 14px;
  margin-left: 8px;
  border-left: 1px solid var(--border-color);
  padding-left: 8px;
}

/* Main Layout Wrapper */
.admin-container {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Tabs Navigation Styling */
.admin-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  gap: 24px;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 12px 4px;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--primary);
  font-weight: 600;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px 2px 0 0;
}

/* Tabs Content area */
.tab-content {
  display: none;
  animation: fadeIn 0.2s ease-in-out;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Layout Cards */
.admin-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.card-title {
  font-size: 16px;
  font-weight: 600;
}

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

/* Form inputs & grids */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
}

.form-input {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  outline: none;
  font-size: 14px;
  width: 100%;
  background-color: #ffffff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Toggle Switch */
.switch-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.switch-group:last-child {
  border-bottom: none;
}

.switch-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 80%;
}

.switch-title {
  font-size: 14px;
  font-weight: 600;
}

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

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .2s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* Button UI */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
  font-size: 14px;
}

.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-outline { background-color: transparent; border-color: var(--border-color); color: var(--text-main); }
.btn-outline:hover { background-color: var(--bg-main); border-color: #cbd5e1; }
.btn-danger { background-color: var(--danger); color: white; }
.btn-danger:hover { background-color: #dc2626; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Table styling */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.admin-table th {
  background-color: #f8fafc;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

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

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

/* Badges */
.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}
.badge-success { background-color: #ecfdf5; color: var(--success); }
.badge-danger { background-color: #fef2f2; color: var(--danger); }
.badge-warning { background-color: #fffbeb; color: var(--warning); }
.badge-info { background-color: #eff6ff; color: var(--primary); }

/* Import/Export Area */
.json-textarea {
  font-family: Courier, monospace;
  font-size: 13px;
  line-height: 1.5;
  width: 100%;
  height: 250px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  resize: vertical;
  background-color: #f8fafc;
  outline: none;
}

.json-textarea:focus {
  border-color: var(--primary);
  background-color: #ffffff;
}

.file-upload-wrapper {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.file-upload-wrapper:hover {
  border-color: var(--primary);
}

.file-upload-input {
  display: none;
}

/* Logging Panel (Feed tests) */
.log-panel {
  background-color: #0f172a;
  color: #f1f5f9;
  font-family: Courier, monospace;
  padding: 16px;
  border-radius: var(--radius-sm);
  height: 150px;
  overflow-y: auto;
  font-size: 12px;
  line-height: 1.6;
}

.log-entry { margin-bottom: 4px; }
.log-entry.info { color: #38bdf8; }
.log-entry.success { color: #4ade80; }
.log-entry.error { color: #f87171; }

/* Responsive adjustments */
@media (max-width: 768px) {
  .admin-container {
    padding: 16px 8px;
  }
  
  .admin-card {
    padding: 16px;
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .admin-table th, .admin-table td {
    padding: 8px 12px;
    font-size: 13px;
  }
  
  .btn-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }
  
  .btn-group .btn {
    width: 100%;
  }
}

/* Enhancements: Bulk Library Grid Layout */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.library-card {
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.library-card:hover {
  border-color: #cbd5e1;
  background-color: #f1f5f9;
}

.library-card-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.library-card-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  text-transform: uppercase;
}

.library-card-name {
  font-size: 13px;
  font-weight: 600;
}

/* Avatar backgrounds matching index page */
.avatar-cointelegraph { background-color: #f5a623; }
.avatar-coindesk { background-color: #0080ff; }
.avatar-decrypt { background-color: #0f172a; }
.avatar-crypto-briefing { background-color: #3c5cd6; }
.avatar-bitcoin-news { background-color: #f7931a; }
.avatar-bitcoin-magazine { background-color: #ff5a00; }
.avatar-cryptoslate { background-color: #1a33f3; }
.avatar-newsbtc { background-color: #f44336; }
.avatar-cryptopotato { background-color: #4caf50; }
.avatar-beincrypto { background-color: #00e676; }
.avatar-u-today { background-color: #ff3366; }
.avatar-default { background-color: var(--primary); }