:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --accent-primary: #3b82f6;
  --accent-secondary: #60a5fa;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --border-color: #334155;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --header-height: 70px;
}

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

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

/* Layout */
.app-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
  margin-bottom: 40px;
  padding: 0 20px;
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
}

/* Toolbar */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  gap: 20px;
  flex-wrap: wrap;
}

.search-wrapper {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
}

.search-wrapper input {
  width: 100%;
  padding: 10px 12px 10px 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all 0.2s;
}

.search-wrapper input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

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

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding: 20px 0;
  position: sticky;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 90;
  border-top: 1px solid var(--border-color);
  width: 100%;
}

.page-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.875rem;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.page-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-primary);
}

.app-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.app-header h1 .highlight {
  color: var(--accent-secondary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

.status-indicator {
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

/* Toggle Switch */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.toggle-switch input {
  display: none;
}

.toggle-slider {
  position: relative;
  width: 40px;
  height: 20px;
  background-color: var(--bg-tertiary);
  border-radius: 20px;
  transition: .3s;
}

.toggle-slider:before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  border-radius: 50%;
  transition: .3s;
}

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

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

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

/* Refresh Interval Select */
.refresh-interval-select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.875rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}

.refresh-interval-select:hover {
  border-color: var(--accent-primary);
}

.refresh-interval-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  border-radius: 9999px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  font-size: 0.875rem;
  line-height: 1;
  white-space: nowrap;
  min-height: 38px;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  border-color: transparent;
}

.btn-primary:hover {
  background: var(--accent-secondary);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--error-color);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

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

.btn-sm {
  padding: 6px 14px;
  font-size: 0.75rem;
  min-height: 30px;
}

/* Grid Layout */
.accounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
  align-items: start;
}

/* Shared Quota Card */
.shared-quota-card {
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  padding: 24px;
  margin-bottom: 32px;
  box-shadow: var(--card-shadow);
  grid-column: 1 / -1;
}

.shared-quota-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.shared-quota-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.shared-quota-item {
  background: var(--bg-primary);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border-color);
}

.shared-quota-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.shared-quota-name {
  font-weight: 500;
  font-size: 1rem;
}

/* Account Card */
.account-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  position: relative; /* Ensure z-index works */
  overflow: visible; /* Allow dropdown to overflow */
}

.account-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow);
  border-color: var(--accent-primary);
}

.account-header {
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.account-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0; /* Important for text truncation */
  margin-right: 15px; /* Add spacing between info and buttons */
}

.avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 0.875rem;
  flex-shrink: 0; /* Prevent avatar from shrinking */
}

.account-email {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.account-controls {
  position: relative;
  display: flex;
  gap: 4px;
}

.quota-summary {
  padding: 12px 12px 0 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.summary-item-card {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05); /* Very subtle tint to distinguish from normal cards */
}

.summary-item-card .model-name {
  font-weight: 600; /* Slightly bolder */
  font-size: 0.85rem;
}

.account-models {
  padding: 12px;
  display: grid;
  /* Auto-fill columns, min width 140px, gap 8px */
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  flex: 1;
}

.account-models.collapsed {
  display: none;
}

.toggle-models-btn {
  width: 100%;
  padding: 8px;
  background: transparent;
  border: none;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.toggle-models-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.toggle-models-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s;
}

.toggle-models-btn.active svg {
  transform: rotate(180deg);
}

/* Model Item - Compact Card */
.model-item {
  background: var(--bg-primary);
  border-radius: 8px;
  padding: 10px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 80px;
}

.model-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  align-items: flex-start;
}

.model-name {
  font-size: 0.8rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.2;
  word-break: break-word;
}

.model-badge {
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
}

.badge-healthy {
  color: var(--success-color);
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
}

.badge-warning {
  color: var(--warning-color);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
}

.badge-critical {
  color: var(--error-color);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
}

.badge-exhausted {
  color: var(--text-tertiary);
  background: rgba(148, 163, 184, 0.1);
  border-color: var(--border-color);
}

.progress-track {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
  margin-top: auto; /* Push to bottom */
}

.progress-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-healthy { background: var(--success-color); }
.progress-warning { background: var(--warning-color); }
.progress-critical { background: var(--error-color); }
.progress-exhausted { background: var(--text-tertiary); }

.model-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-tertiary);
}

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  z-index: 100;
  min-width: 140px;
  display: none;
  flex-direction: column;
  padding: 4px;
}

.dropdown-menu.show {
  display: flex;
  animation: fadeIn 0.1s ease-out;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: background-color 0.2s;
}

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

.dropdown-item svg {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
}

.dropdown-item.danger {
  color: var(--error-color);
}

.dropdown-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.dropdown-item.danger svg {
  color: var(--error-color);
}

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

/* Modals */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  z-index: 1000;
}

.modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal-large {
  max-width: 800px;
}

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

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

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

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
}

/* Form Elements */
textarea {
  width: 100%;
  height: 120px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  resize: none;
}

textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.file-drop-area {
  margin-top: 16px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  transition: 0.2s;
}

.file-drop-area:hover {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

input[type="file"] {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
}

/* Loading & Empty States */
.loading-state, .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-tertiary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

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

/* Error State */
.error-card {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.05);
}

.error-message {
  padding: 20px;
  color: var(--error-color);
  text-align: center;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    height: auto;
    padding: 20px;
    gap: 20px;
  }
  
  .header-controls {
    width: 100%;
    justify-content: space-between;
  }

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

/* Modals */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  z-index: 1000;
}

.modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal-large {
  max-width: 800px;
}

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

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

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

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
}

/* Form Elements */
textarea {
  width: 100%;
  height: 120px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  resize: none;
}

textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.file-drop-area {
  margin-top: 16px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  transition: 0.2s;
}

.file-drop-area:hover {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

input[type="file"] {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
}

/* Loading & Empty States */
.loading-state, .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-tertiary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

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

/* Error State */
.error-card {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.05);
}

.error-message {
  padding: 20px;
  color: var(--error-color);
  text-align: center;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    height: auto;
    padding: 20px;
    gap: 20px;
  }
  
  .header-controls {
    width: 100%;
    justify-content: space-between;
  }

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

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 24px;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
}

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

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* Ensure toggle switch retains flex layout inside form groups */
.form-group .toggle-switch {
  display: flex;
}

.form-input,
.form-select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 36px;
}