/**
 * Browser Talk Customer Dashboard Application Styles (app.css)
 * Extends /tokens.css with dashboard-specific component styling.
 */

/* ==========================================================================
   1. APP SHELL & LAYOUT
   ========================================================================== */

.app-body {
  min-height: 100vh;
  background-color: var(--bt-color-canvas);
  color: var(--bt-color-body);
  display: flex;
  flex-direction: column;
}

.app-header {
  height: 64px;
  background-color: var(--bt-color-canvas);
  border-bottom: 1px solid var(--bt-color-hairline);
  padding: 0 var(--bt-spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: var(--bt-spacing-md);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--bt-spacing-xs);
  text-decoration: none;
  color: var(--bt-color-ink);
}

.brand-name {
  font-family: var(--bt-font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.5px;
  color: var(--bt-color-ink);
}

.user-email {
  font-family: var(--bt-font-body);
  font-size: var(--bt-type-caption-size);
  color: var(--bt-color-muted);
}

.app-main {
  flex: 1;
  max-width: var(--bt-container-max);
  width: 100%;
  margin: 0 auto;
  padding: var(--bt-spacing-xl) var(--bt-spacing-xl) var(--bt-spacing-section);
}

/* ==========================================================================
   2. AUTHENTICATION VIEW
   ========================================================================== */

.auth-view-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 180px);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bt-color-surface-soft);
  border: 1px solid var(--bt-color-hairline);
  border-radius: var(--bt-radius-xl);
  padding: var(--bt-spacing-xxl) var(--bt-spacing-xl);
  box-shadow: var(--bt-shadow-md);
}

.auth-card-header {
  text-align: center;
  margin-bottom: var(--bt-spacing-xl);
}

.auth-badge-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--bt-radius-md);
  background-color: var(--bt-color-primary);
  color: var(--bt-color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--bt-spacing-md);
}

.auth-otp-field {
  font-family: var(--bt-font-mono);
  font-size: 24px;
  letter-spacing: 8px;
  text-align: center;
  height: 52px;
}

.auth-toggle-row, .auth-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--bt-spacing-md);
}

.auth-text-btn {
  background: transparent;
  border: none;
  font-family: var(--bt-font-body);
  font-size: 13px;
  color: var(--bt-color-muted);
  cursor: pointer;
  text-decoration: underline;
  padding: 4px;
}

.auth-text-btn:hover {
  color: var(--bt-color-ink);
}

/* ==========================================================================
   3. DASHBOARD WORKSPACE CARDS
   ========================================================================== */

.dashboard-view-container {
  display: flex;
  flex-direction: column;
  gap: var(--bt-spacing-xl);
}

.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--bt-spacing-md);
  margin-bottom: var(--bt-spacing-lg);
}

/* Browser Status Hero Card */
.browser-status-card {
  background-color: var(--bt-color-surface-soft);
  border-radius: var(--bt-radius-xl);
  padding: var(--bt-spacing-xl);
  border: 1px solid var(--bt-color-hairline);
}

.browser-actions-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--bt-spacing-sm);
  margin: var(--bt-spacing-lg) 0;
}

.actions-spacer {
  flex: 1;
}

/* Usage Meters */
.usage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bt-spacing-lg);
  margin-top: var(--bt-spacing-md);
  padding-top: var(--bt-spacing-md);
  border-top: 1px solid var(--bt-color-hairline-soft);
}

.usage-meter-col {
  display: flex;
  flex-direction: column;
  gap: var(--bt-spacing-xs);
}

.usage-header-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.usage-title {
  font-weight: 500;
  color: var(--bt-color-ink);
}

.usage-val {
  font-family: var(--bt-font-mono);
  color: var(--bt-color-muted);
}

.progress-track {
  width: 100%;
  height: 8px;
  background-color: var(--bt-color-canvas);
  border-radius: var(--bt-radius-pill);
  overflow: hidden;
  border: 1px solid var(--bt-color-hairline-soft);
}

.progress-fill {
  height: 100%;
  background-color: var(--bt-color-success);
  border-radius: var(--bt-radius-pill);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.progress-fill.warning {
  background-color: var(--bt-color-warning);
}

.progress-fill.danger {
  background-color: var(--bt-color-error);
}

.usage-note {
  margin-top: var(--bt-spacing-sm);
  color: var(--bt-color-muted);
}

/* ==========================================================================
   4. 3-TAB CONNECT HUB
   ========================================================================== */

.connect-hub-card {
  background-color: var(--bt-color-canvas);
  border-radius: var(--bt-radius-xl);
  padding: var(--bt-spacing-xl);
  border: 1px solid var(--bt-color-hairline);
}

.connect-tabs-nav {
  display: flex;
  gap: var(--bt-spacing-xs);
  border-bottom: 1px solid var(--bt-color-hairline);
  margin: var(--bt-spacing-lg) 0;
  overflow-x: auto;
}

.connect-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: var(--bt-spacing-sm) var(--bt-spacing-md);
  font-family: var(--bt-font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--bt-color-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--bt-transition-fast), border-color var(--bt-transition-fast);
}

.connect-tab-btn:hover {
  color: var(--bt-color-ink);
}

.connect-tab-btn.active {
  color: var(--bt-color-ink);
  font-weight: 600;
  border-bottom-color: var(--bt-color-primary);
}

.tab-pane {
  display: block;
}

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

/* Code Terminal Boxes */
.code-terminal-box {
  background-color: var(--bt-color-surface-dark);
  color: #f5f5f5;
  border-radius: var(--bt-radius-md);
  padding: var(--bt-spacing-md) var(--bt-spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bt-spacing-md);
  margin: var(--bt-spacing-md) 0;
  position: relative;
  overflow-x: auto;
}

.code-terminal-box code,
.code-terminal-box pre code {
  font-family: var(--bt-font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: #faf5e8;
  background: transparent;
  padding: 0;
}

.code-terminal-box pre {
  margin: 0;
  padding: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.enroll-action-bar {
  display: flex;
  align-items: center;
  gap: var(--bt-spacing-md);
  margin-top: var(--bt-spacing-md);
}

/* Copied feedback state */
.bt-btn.is-copied {
  background-color: var(--bt-color-brand-mint, #a4d4c5) !important;
  color: var(--bt-color-ink, #0a0a0a) !important;
  border-color: rgba(10, 10, 10, 0.15) !important;
  transition: all 0.2s ease;
}

.code-pill {
  font-family: var(--bt-font-mono);
  font-size: 13px;
  padding: 6px 12px;
  background-color: var(--bt-color-surface-card);
  border: 1px solid var(--bt-color-hairline);
  border-radius: var(--bt-radius-pill);
  color: var(--bt-color-ink);
  font-weight: 600;
}

/* MCP Wizard Grid */
.mcp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: var(--bt-spacing-sm);
  margin: var(--bt-spacing-md) 0 var(--bt-spacing-lg);
}

.mcp-card-item {
  display: flex;
  align-items: center;
  gap: var(--bt-spacing-sm);
  padding: var(--bt-spacing-sm) var(--bt-spacing-md);
  background-color: var(--bt-color-surface-card);
  border: 1px solid var(--bt-color-hairline);
  border-radius: var(--bt-radius-md);
  cursor: pointer;
  user-select: none;
  transition: border-color var(--bt-transition-fast), background-color var(--bt-transition-fast);
}

.mcp-card-item:hover {
  border-color: var(--bt-color-muted);
}

.mcp-card-item.checked {
  background-color: rgba(164, 212, 197, 0.2);
  border-color: var(--bt-color-brand-mint);
}

.mcp-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--bt-color-primary);
}

.mcp-card-content {
  display: flex;
  flex-direction: column;
}

.mcp-agent-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--bt-color-ink);
}

.mcp-agent-path {
  font-family: var(--bt-font-mono);
  font-size: 11px;
  color: var(--bt-color-muted);
}

.section-subhead-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--bt-spacing-lg);
}

.mcp-test-bar {
  display: flex;
  align-items: center;
  gap: var(--bt-spacing-md);
  margin-top: var(--bt-spacing-lg);
  padding-top: var(--bt-spacing-md);
  border-top: 1px solid var(--bt-color-hairline-soft);
}

/* Tab 3: Viewer & Remote */
.viewer-controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--bt-spacing-lg);
  margin: var(--bt-spacing-md) 0;
}

.viewer-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bt-spacing-sm);
  margin-bottom: var(--bt-spacing-lg);
}

.viewer-embed-container {
  margin-top: var(--bt-spacing-md);
}

.viewer-embed-container .bt-window {
  height: 600px;
}

.viewer-embed-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.vnc-callout-card {
  background-color: var(--bt-color-surface-card);
  border: 1px solid var(--bt-color-hairline);
  border-radius: var(--bt-radius-lg);
  padding: var(--bt-spacing-lg);
  margin-top: var(--bt-spacing-lg);
}

/* ==========================================================================
   5. DEVICES & PREFERENCES
   ========================================================================= */

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

.bt-table th {
  padding: var(--bt-spacing-sm) var(--bt-spacing-md);
  border-bottom: 1px solid var(--bt-color-hairline);
  color: var(--bt-color-muted);
  font-weight: 500;
}

.bt-table td {
  padding: var(--bt-spacing-md);
  border-bottom: 1px solid var(--bt-color-hairline-soft);
  color: var(--bt-color-ink);
}

.table-empty-cell {
  text-align: center;
  color: var(--bt-color-muted);
  padding: var(--bt-spacing-xl) !important;
}

.prefs-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bt-spacing-xl);
}

.toggle-control {
  display: flex;
  align-items: flex-start;
  gap: var(--bt-spacing-sm);
  cursor: pointer;
}

.toggle-control input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--bt-color-primary);
  cursor: pointer;
}

.toggle-text-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toggle-text-block strong {
  font-size: 14px;
  color: var(--bt-color-ink);
}

.toggle-text-block span {
  font-size: 13px;
  color: var(--bt-color-muted);
  line-height: 1.4;
}

/* ==========================================================================
   6. MODAL DIALOGS
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 10, 10, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--bt-spacing-md);
}

.modal-card {
  background-color: var(--bt-color-canvas);
  border: 1px solid var(--bt-color-hairline);
  border-radius: var(--bt-radius-xl);
  padding: var(--bt-spacing-xl);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--bt-shadow-modal);
  position: relative;
  animation: modalSlide 0.2s ease-out;
}

@keyframes modalSlide {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--bt-spacing-md);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 18px;
  color: var(--bt-color-muted);
  cursor: pointer;
  padding: 4px;
}

.modal-close-btn:hover {
  color: var(--bt-color-ink);
}

.modal-footer-row {
  display: flex;
  justify-content: flex-end;
  gap: var(--bt-spacing-sm);
  margin-top: var(--bt-spacing-lg);
}

.radio-card-group {
  display: flex;
  flex-direction: column;
  gap: var(--bt-spacing-xs);
  margin-top: 4px;
}

.radio-card-item {
  display: flex;
  align-items: flex-start;
  gap: var(--bt-spacing-sm);
  padding: var(--bt-spacing-sm) var(--bt-spacing-md);
  border: 1px solid var(--bt-color-hairline);
  border-radius: var(--bt-radius-md);
  cursor: pointer;
  background-color: var(--bt-color-surface-soft);
}

.radio-card-item input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--bt-color-primary);
}

.radio-card-item strong {
  font-size: 13px;
  display: block;
}

.radio-card-item p {
  font-size: 12px;
  color: var(--bt-color-muted);
  margin: 2px 0 0 0;
}

/* ==========================================================================
   7. TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: var(--bt-spacing-xl);
  right: var(--bt-spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--bt-spacing-xs);
  z-index: 200;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  background-color: var(--bt-color-surface-dark);
  color: #ffffff;
  padding: 12px 16px;
  border-radius: var(--bt-radius-md);
  font-size: 13px;
  box-shadow: var(--bt-shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bt-spacing-sm);
  animation: toastIn 0.25s ease-out;
}

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

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

.toast-item.warning {
  border-left: 4px solid var(--bt-color-warning);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   8. RESPONSIVE BREAKPOINTS
   ========================================================================== */

@media (max-width: 768px) {
  .app-header {
    padding: 0 var(--bt-spacing-md);
  }

  .app-main {
    padding: var(--bt-spacing-md) var(--bt-spacing-md) var(--bt-spacing-xl);
  }

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

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

  .browser-actions-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .browser-actions-bar .bt-btn {
    width: 100%;
  }

  .actions-spacer {
    display: none;
  }

  .enroll-action-bar {
    flex-direction: column;
    align-items: stretch;
  }
}