/* ============================================
   AI Image Maker - Shared Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #4361ee;
  --primary-dark: #3a56d4;
  --primary-light: #eef0ff;
  --secondary: #7209b7;
  --success: #06d6a0;
  --warning: #ffd166;
  --danger: #ef476f;
  --info: #118ab2;
  --dark: #1d1d2c;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --sidebar-width: 260px;
  --header-height: 64px;
  --border-radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

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

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  font-size: 14px;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
a:hover { color: var(--primary); }

/* ============================================
   Login Page
   ============================================ */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4361ee 0%, #7209b7 100%);
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 440px;
  padding: 48px 40px;
}

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

.login-card .logo h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.login-card .logo p {
  color: var(--gray-600);
  font-size: 13px;
}

.login-card .form-label {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 13px;
  margin-bottom: 6px;
}

.login-card .form-control {
  border-radius: 10px;
  padding: 10px 16px;
  border: 1.5px solid var(--gray-300);
  font-size: 14px;
  transition: border-color 0.2s;
}

.login-card .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67,97,238,0.15);
}

.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  width: 100%;
  cursor: pointer;
  transition: background 0.2s;
}

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

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

.sidebar {
  width: var(--sidebar-width);
  background: var(--dark);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s;
}

.sidebar-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.sidebar-header p {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 12px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: 10px;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.nav-item.active {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
}

.nav-item i {
  font-size: 18px;
  width: 22px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-footer .user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-footer .user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

.sidebar-footer .user-name {
  font-size: 13px;
  font-weight: 500;
}

.sidebar-footer .user-org {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}

/* ============================================
   Layout - Main Content
   ============================================ */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.top-header {
  height: var(--header-height);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-header .page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-800);
}

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

.top-header .header-actions .btn-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--gray-600);
  transition: all 0.2s;
}

.top-header .header-actions .btn-icon:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.content-body {
  padding: 28px 32px;
  flex: 1;
}

/* ============================================
   Cards & Panels
   ============================================ */
.card-custom {
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.card-custom .card-header-custom {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-custom .card-header-custom h3 {
  font-size: 16px;
  font-weight: 600;
}

.card-custom .card-body-custom {
  padding: 24px;
}

/* Stat Cards */
.stat-card {
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-card .stat-icon.blue { background: #eef0ff; color: var(--primary); }
.stat-card .stat-icon.purple { background: #f3e8ff; color: var(--secondary); }
.stat-card .stat-icon.green { background: #e6faf4; color: var(--success); }
.stat-card .stat-icon.orange { background: #fff8e6; color: #e67e22; }
.stat-card .stat-icon.red { background: #fde8ed; color: var(--danger); }
.stat-card .stat-icon.teal { background: #e6f5f9; color: var(--info); }

.stat-card .stat-info .stat-label {
  font-size: 12px;
  color: var(--gray-600);
  font-weight: 500;
  margin-bottom: 4px;
}

.stat-card .stat-info .stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.2;
}

.stat-card .stat-info .stat-change {
  font-size: 12px;
  margin-top: 4px;
}

.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============================================
   Form Styles
   ============================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
  background: #fff;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67,97,238,0.12);
}

.form-input::placeholder {
  color: var(--gray-400);
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

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

.file-upload-area {
  border: 2px dashed var(--gray-300);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.file-upload-area:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.file-upload-area i {
  font-size: 36px;
  color: var(--gray-400);
  margin-bottom: 12px;
}

.file-upload-area p {
  color: var(--gray-600);
  font-size: 13px;
}

.file-upload-area .upload-hint {
  color: var(--gray-500);
  font-size: 12px;
  margin-top: 4px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

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

.btn-secondary { background: var(--gray-200); color: var(--gray-700); }
.btn-secondary:hover { background: var(--gray-300); }

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

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--gray-300);
  color: var(--gray-700);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ============================================
   Table
   ============================================ */
.table-wrapper {
  overflow-x: auto;
}

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

.data-table thead th {
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 2px solid var(--gray-200);
  text-align: left;
  white-space: nowrap;
}

.data-table tbody td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: var(--gray-100);
}

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

/* ============================================
   Badges & Tags
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #e6faf4; color: #059669; }
.badge-warning { background: #fff8e6; color: #d97706; }
.badge-danger { background: #fde8ed; color: var(--danger); }
.badge-info { background: #e6f5f9; color: var(--info); }
.badge-gray { background: var(--gray-200); color: var(--gray-600); }

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 24px;
}

.pagination .page-item {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-700);
  transition: all 0.2s;
}

.pagination .page-item:hover { border-color: var(--primary); color: var(--primary); }
.pagination .page-item.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ============================================
   Image Preview
   ============================================ */
.image-result-area {
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  position: relative;
  overflow: hidden;
}

.image-result-area .placeholder-text {
  text-align: center;
  color: var(--gray-500);
}

.image-result-area .placeholder-text i {
  font-size: 48px;
  margin-bottom: 12px;
  display: block;
}

.image-result-area img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* ============================================
   Search & Filter Bar
   ============================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-box input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  border: 1.5px solid var(--gray-300);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-overlay.hidden { display: none; }

.modal-box {
  background: #fff;
  border-radius: 16px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-box .modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-box .modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-box .modal-body {
  padding: 24px;
}

.modal-box .modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--gray-500);
  padding: 4px;
}

/* ============================================
   Tabs
   ============================================ */
.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 24px;
}

.tab-nav .tab-item {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}

.tab-nav .tab-item:hover { color: var(--primary); }
.tab-nav .tab-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ============================================
   Grid Layout for Images
   ============================================ */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.image-card {
  background: #fff;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.image-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.image-card .image-thumb {
  width: 100%;
  height: 180px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.image-card .image-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-card .image-thumb .thumb-placeholder {
  color: var(--gray-400);
  font-size: 40px;
}

.image-card .image-info {
  padding: 16px;
}

.image-card .image-info h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-card .image-info .meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--gray-500);
}

/* ============================================
   Chart Container
   ============================================ */
.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

/* ============================================
   Admin - Toggle Switch
   ============================================ */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
}

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

.toggle-switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gray-300);
  border-radius: 24px;
  transition: 0.3s;
}

.toggle-switch .slider:before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.3s;
}

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

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

/* ============================================
   View Page - Detail
   ============================================ */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.detail-info-table {
  width: 100%;
}

.detail-info-table tr td {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
}

.detail-info-table tr td:first-child {
  font-weight: 500;
  color: var(--gray-600);
  width: 120px;
}

/* ============================================
   Token Gauge
   ============================================ */
.token-gauge {
  text-align: center;
  padding: 20px;
}

.token-gauge .gauge-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.token-gauge .gauge-label {
  font-size: 13px;
  color: var(--gray-600);
  margin-top: 4px;
}

.progress-bar-custom {
  width: 100%;
  height: 12px;
  background: var(--gray-200);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 12px;
}

.progress-bar-custom .progress-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.5s;
}

.progress-fill.blue { background: var(--primary); }
.progress-fill.green { background: var(--success); }
.progress-fill.orange { background: #e67e22; }
.progress-fill.red { background: var(--danger); }

/* ============================================
   Mobile Menu Button
   ============================================ */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--gray-700);
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .detail-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: flex; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .main-content { margin-left: 0; }
  .content-body { padding: 20px 16px; }
  .top-header { padding: 0 16px; }
  .image-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Loading Spinner
   ============================================ */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: var(--border-radius);
  z-index: 10;
}

.loading-overlay.hidden { display: none; }

.loading-overlay p {
  font-size: 13px;
  color: var(--gray-600);
}

/* ============================================
   API Key Card
   ============================================ */
.api-key-display {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--gray-100);
  padding: 12px 16px;
  border-radius: 10px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
}

.api-key-display .key-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}