/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0b0f14;
  --bg-card: #111722;
  --bg-secondary: #1a2332;
  --border-color: #1b2432;
  --text-primary: #e6edf6;
  --text-secondary: #9fb0c3;
  --text-muted: #7d8aa0;
  --accent: #4da3ff;
  --accent-hover: #3b82f6;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --radius: 12px;
  --radius-sm: 8px;
  --spacing: 16px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-card: #ffffff;
  --bg-secondary: #f1f5f9;
  --border-color: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Top Bar */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing);
  z-index: 100;
}

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  margin-right: 12px;
}

.app-name {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}

.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--bg-primary);
  border-color: var(--accent);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 60px;
  left: 0;
  width: 280px;
  height: calc(100vh - 60px);
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  padding: var(--spacing);
  overflow-y: auto;
  z-index: 90;
  transition: transform 0.3s ease;
}

.sidebar-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.sidebar-header .search-input {
  margin-bottom: 0;
}

.search-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 12px;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.1);
}

.connections-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.connection-item {
  padding: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.connection-item:hover {
  border-color: var(--accent);
  background: rgba(77, 163, 255, 0.05);
}

.connection-item.active {
  border-color: var(--accent);
  background: rgba(77, 163, 255, 0.1);
}

.connection-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.connection-item-brand {
  font-weight: 500;
  font-size: 14px;
}

.connection-item-domain {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.connection-item-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* Main Content */
.main-content {
  margin-left: 280px;
  margin-top: 60px;
  padding: 32px;
  min-height: calc(100vh - 60px);
}

/* Align connection view sections to a centered container */
.connection-view .connection-header,
.connection-view .toolbar,
.connection-view .tabs,
.connection-view .tab-content {
  max-width: 960px;
  margin: 0 auto;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.empty-state svg {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.empty-state h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Connection View */
.connection-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.connection-info h2 {
  font-size: 24px;
  margin-bottom: 4px;
}

.connection-info p {
  color: var(--text-secondary);
  font-size: 14px;
}

.connection-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.status-chip {
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Toolbar */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.tab {
  padding: 12px 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

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

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Cards */
.details-card,
.draft-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
}

.detail-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  column-gap: 16px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.detail-row:last-of-type {
  border-bottom: none;
}

.detail-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.detail-value {
  color: var(--text-primary);
  font-size: 14px;
  text-align: right;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.required {
  color: var(--error);
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.1);
}

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

textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

/* Date and Time inputs - fix icon visibility in dark mode */
input[type="date"],
input[type="time"] {
  color-scheme: dark;
}

[data-theme="light"] input[type="date"],
[data-theme="light"] input[type="time"] {
  color-scheme: light;
}

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

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}


.input-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
}

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

.quality-meter {
  font-size: 12px;
  font-weight: 500;
}

.quality-meter.good {
  color: var(--success);
}

.quality-meter.warning {
  color: var(--warning);
}

.quality-meter.poor {
  color: var(--error);
}

.email-preview {
  padding: 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  min-height: 200px;
}

.email-preview .text-muted {
  color: var(--text-muted);
}

.tokens-used {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

/* History Table */
.history-table {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.history-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.history-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border-color);
}

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

.history-table .text-center {
  text-align: center;
}

.status-badge {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.status-badge.success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

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

/* Buttons */
.btn-primary,
.btn-secondary {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.btn-primary:hover {
  background: #3d8fe6;
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.3);
}

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

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

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(77, 163, 255, 0.05);
}

.btn-secondary:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.1);
}

.icon-btn {
  padding: 8px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
}

.icon-btn:hover {
  background: rgba(77, 163, 255, 0.1);
  color: var(--accent);
}

/* Drawer */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 500px;
  height: 100vh;
  background: var(--bg-card);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
  z-index: 201;
  transform: translateX(100%);
  transition: transform 0.3s;
  display: flex;
  flex-direction: column;
}

.drawer.active {
  transform: translateX(0);
}

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

.drawer-header h3 {
  font-size: 18px;
}

.drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.drawer-footer {
  display: flex;
  gap: 12px;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
}

.drawer-footer button {
  flex: 1;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

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

.modal-header h3 {
  font-size: 18px;
}

.modal-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden; /* prevent horizontal scrollbar in modal content */
  padding: 5px 24px 24px;
}

.modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
}

.send-summary {
  margin-top: 16px;
  padding: 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden; /* contain any internal overflow */
}

/* Improve wrapping and alignment in the send summary rows */
.send-summary .detail-row {
  align-items: start;
}

.send-summary .detail-value {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.preview-area {
  margin-top: 16px;
}

.preview-area label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.preview-area iframe {
  width: 100%;
  height: 400px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: white;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.success {
  border-left: 3px solid var(--success);
}

.toast.error {
  border-left: 3px solid var(--error);
}

.toast.warning {
  border-left: 3px solid var(--warning);
}

.toast-icon {
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 14px;
}

/* Utility Classes */
.text-muted {
  color: var(--text-muted);
}

.text-center {
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Mobile Styles */
@media (max-width: 768px) {
  .menu-btn {
    display: block;
  }

  /* Stack sidebar header controls on mobile */
  .sidebar-header {
    grid-template-columns: 1fr;
  }

  .sidebar-header .btn-primary {
    width: 100%;
  }

  /* Make details label/value stack vertically on mobile */
  .detail-row {
    grid-template-columns: 1fr;
    row-gap: 4px;
  }

  .detail-value {
    text-align: left;
  }

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

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

  .main-content {
    margin-left: 0;
    padding: 16px;
  }

  .connection-header {
    flex-direction: column;
  }

  .toolbar {
    flex-direction: column;
  }

  .toolbar button {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .drawer {
    max-width: 100%;
  }

  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .toast {
    min-width: auto;
    width: 100%;
  }

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

@media (max-width: 480px) {
  .tabs {
    overflow-x: auto;
  }

  .tab {
    white-space: nowrap;
  }
}