/**
 * TabMail - Dashboard Layout Styles
 * 
 * Layout styles specific to dashboard pages (Usage, Plan).
 * Requires: palette.css, base.css, header.css, components.css
 */

/* ============================================
   Dashboard Container
   ============================================ */
.dashboard-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  padding-top: 80px;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
  .sidebar {
    background: var(--sidebar-bg-dark);
    border-right-color: var(--sidebar-border-dark);
  }
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--sidebar-border);
}

@media (prefers-color-scheme: dark) {
  .sidebar-header {
    border-bottom-color: var(--sidebar-border-dark);
  }
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  overflow-y: auto;
}

.nav-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--button-bg-hover);
  text-decoration: none;
}

.nav-item.active {
  background: var(--button-bg);
  border-left-color: var(--accent-color);
  font-weight: 500;
}

@media (prefers-color-scheme: dark) {
  .nav-item {
    color: var(--text-color-dark);
  }

  .nav-item:hover {
    background: var(--button-bg-hover-dark);
  }

  .nav-item.active {
    background: var(--button-bg-dark);
    border-left-color: var(--accent-color-dark);
  }
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--sidebar-border);
}

@media (prefers-color-scheme: dark) {
  .sidebar-footer {
    border-top-color: var(--sidebar-border-dark);
  }
}

.user-info {
  font-size: 0.875rem;
  opacity: 0.7;
  word-break: break-all;
  line-height: 1.4;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.main-header {
  padding: 0.5rem 0 1rem;
}

.main-title {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.main-subtitle {
  font-size: 1rem;
  opacity: 0.7;
}

.content-area {
  flex: 1;
  padding: 1.5rem 2rem 2rem;
  overflow-y: auto;
}

/* ============================================
   Plan Page Specific
   ============================================ */
.plan-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.plan-action-card {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-radius: 12px;
  padding: 1.5rem;
}

@media (prefers-color-scheme: dark) {
  .plan-action-card {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
  }
}

.plan-action-card.upgrade-card {
  border-color: var(--accent-color);
  border-width: 2px;
}

@media (prefers-color-scheme: dark) {
  .plan-action-card.upgrade-card {
    border-color: var(--accent-color-dark);
  }
}

.action-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.plan-button {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent-color);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  width: 100%;
  transition: all 0.2s ease;
}

.plan-button:hover {
  background: #0050c4;
  transform: translateY(-1px);
}

.plan-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  background: var(--button-bg);
  color: var(--text-color);
  border: 1px solid var(--button-bg-hover);
}

@media (prefers-color-scheme: dark) {
  .plan-button {
    background: var(--accent-fill-dark);
  }

  .plan-button:hover {
    background: #0050c4;
  }

  .plan-button:disabled {
    background: var(--button-bg-dark);
    color: var(--text-color-dark);
    border-color: var(--button-bg-hover-dark);
  }
}

.plan-button.secondary {
  background: var(--button-bg);
  color: var(--text-color);
  border: 1px solid var(--button-bg-hover);
}

.plan-button.secondary:hover {
  background: var(--button-bg-hover);
  transform: none;
}

/* Button loading spinner - inline before text */
.plan-button.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.plan-button.loading::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* Spinner for disabled/secondary buttons in light mode - use darker colors */
.plan-button:disabled.loading::before,
.plan-button.secondary.loading::before {
  border-color: rgba(0, 0, 0, 0.15);
  border-top-color: var(--text-color);
}

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

@media (prefers-color-scheme: dark) {
  .plan-button.secondary {
    background: var(--button-bg-dark);
    color: var(--text-color-dark);
    border-color: var(--button-bg-hover-dark);
  }

  .plan-button.secondary:hover {
    background: var(--button-bg-hover-dark);
  }

  /* Spinner for disabled/secondary buttons in dark mode */
  .plan-button:disabled.loading::before,
  .plan-button.secondary.loading::before {
    border-color: rgba(255, 255, 255, 0.15);
    border-top-color: var(--text-color-dark);
  }
}

/* ============================================
   Billing Section
   ============================================ */
.billing-section {
  margin-top: 2rem;
}

.billing-summary {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-radius: 12px;
  padding: 1.5rem;
}

@media (prefers-color-scheme: dark) {
  .billing-summary {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
  }
}

.billing-summary-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.billing-summary-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.billing-icon-svg {
  color: var(--accent-color);
}

@media (prefers-color-scheme: dark) {
  .billing-icon-svg {
    color: var(--accent-color-dark);
  }
}

.billing-summary-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.billing-summary-content {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--button-bg);
}

@media (prefers-color-scheme: dark) {
  .billing-summary-content {
    border-bottom-color: var(--button-bg-dark);
  }
}

.billing-next-charge {
  font-size: 0.9375rem;
  line-height: 1.5;
  margin: 0;
  opacity: 0.85;
}

.billing-next-charge strong {
  font-weight: 600;
  opacity: 1;
}

.billing-next-charge.billing-loading {
  opacity: 0.6;
  font-style: italic;
}

.billing-discount {
  font-size: 0.8125rem;
  opacity: 0.7;
  font-weight: normal;
}

.payment-method-info {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  opacity: 0.7;
}

.payment-method-info .card-brand {
  font-weight: 600;
  text-transform: uppercase;
}

.billing-portal-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-color);
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.billing-portal-link:hover {
  opacity: 0.8;
}

.billing-portal-link:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.billing-portal-link svg {
  flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
  .billing-portal-link {
    color: var(--accent-color-dark);
  }
}

/* ============================================
   Mobile Dashboard Layout
   ============================================ */
@media (max-width: 768px) {
  .dashboard-container {
    flex-direction: column;
    padding-top: 60px;
  }

  /* Sidebar becomes horizontal tab bar */
  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--sidebar-border);
  }

  .sidebar-header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    border-bottom: none;
  }

  .user-info {
    text-align: center;
    padding: 1rem 0;
  }

  .sidebar-nav {
    display: flex;
    overflow-x: auto;
    padding: 0;
  }

  .nav-item {
    white-space: nowrap;
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 0.75rem 1rem;
  }

  .nav-item.active {
    border-left: none;
    border-bottom-color: var(--accent-color);
  }

  .sidebar-footer {
    display: none;
  }

  /* Main content */
  .main-header {
    padding: 0 0 0.75rem;
  }

  .main-title {
    font-size: 1.375rem;
  }

  .main-subtitle {
    font-size: 0.875rem;
  }

  .content-area {
    padding: 1rem 1rem 1rem;
  }

  /* Plan actions */
  .plan-actions {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
  }

  .plan-action-card {
    padding: 1.25rem;
  }

  .action-title {
    font-size: 1rem;
  }

  .plan-button {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
  }

  /* Billing section mobile */
  .billing-section {
    margin-top: 1.5rem;
  }

  .billing-summary {
    padding: 1.25rem;
  }

  .billing-icon-svg {
    width: 20px;
    height: 20px;
  }

  .billing-summary-title {
    font-size: 1rem;
  }

  .billing-next-charge {
    font-size: 0.875rem;
  }

  .billing-portal-link {
    font-size: 0.875rem;
  }
}

@media (max-width: 768px) and (prefers-color-scheme: dark) {
  .sidebar {
    border-bottom-color: var(--sidebar-border-dark);
  }

  .nav-item.active {
    border-bottom-color: var(--accent-color-dark);
  }
}

@media (max-width: 480px) {
  .content-area {
    padding: 0.75rem 0.75rem 1rem;
  }

  .plan-action-card {
    padding: 1rem;
  }
}

/* Danger Zone — Account Deletion */
.danger-zone {
  margin-top: 2rem;
  margin-bottom: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid #dc3545;
}

.danger-zone-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #dc3545;
  margin-bottom: 0.75rem;
}

.danger-zone-card {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-left: 4px solid #dc3545;
  border-radius: 12px;
  padding: 1.5rem;
}

.danger-zone-card-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.danger-zone-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.danger-zone-card-desc {
  font-size: 0.875rem;
  opacity: 0.7;
}

.danger-zone-btn {
  background: transparent;
  color: #dc3545;
  border: 1.5px solid #dc3545;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.danger-zone-btn:hover {
  background: #dc3545;
  color: #fff;
}

/* Confirm modal overlay (shared by all modals) */
.confirm-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.confirm-modal {
  background: var(--card-bg, #fff);
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.2s ease-out;
}

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

.confirm-modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-color, #1a1a1a);
}

.confirm-modal-message {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-color, #1a1a1a);
  opacity: 0.85;
  margin-bottom: 1.5rem;
  white-space: pre-line;
}

.confirm-modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.confirm-modal-btn {
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
}

.confirm-modal-btn.cancel-btn {
  background: var(--button-bg, #f0f0f0);
  color: var(--text-color, #1a1a1a);
}

.confirm-modal-btn.cancel-btn:hover {
  background: var(--button-bg-hover, #e0e0e0);
}

.confirm-modal-btn.confirm-btn.primary {
  background: var(--accent-color, #2563eb);
  color: white;
}

.confirm-modal-btn.confirm-btn.primary:hover {
  background: var(--accent-color-hover, #1d4ed8);
}

.confirm-modal-btn.confirm-btn.danger {
  background: #dc3545;
  color: white;
}

.confirm-modal-btn.confirm-btn.danger:hover {
  background: #c82333;
}

/* Delete confirmation input */
.delete-confirm-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: var(--card-bg, #fff);
  color: var(--text-color, #1a1a1a);
  box-sizing: border-box;
}

.delete-confirm-input:focus {
  outline: none;
  border-color: #dc3545;
  box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.15);
}

/* Deletion banner */
.deletion-banner {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

/*
 * Issue #39: constrain the injected deletion banner and the static footer to
 * the same 1000px content column as the .page-view cards. Both live directly
 * inside .content-area (which has no max-width), so without this they stretch
 * to the full main-column width. The .page-view column caps at 1000px with no
 * auto margins (left-aligned), so these mirror it: width cap only, no
 * centering. box-sizing: border-box is global, so 1000px matches the cards'
 * right edge exactly.
 */
.deletion-banner,
.content-area > footer {
  max-width: 1000px;
}

.deletion-banner-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.deletion-banner-icon {
  font-size: 1.25rem;
}

.deletion-banner-text {
  flex: 1;
  font-size: 0.875rem;
  color: #856404;
}

.deletion-banner-btn {
  background: transparent;
  color: #856404;
  border: 1px solid #856404;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.deletion-banner-btn:hover {
  background: #856404;
  color: #fff;
}

/* Dark mode overrides */
@media (prefers-color-scheme: dark) {
  .danger-zone-card {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
    border-left-color: #dc3545;
  }

  .deletion-banner {
    background: #332b00;
    border-color: #665500;
  }

  .deletion-banner-text {
    color: #ffd54f;
  }

  .deletion-banner-btn {
    color: #ffd54f;
    border-color: #ffd54f;
  }

  .deletion-banner-btn:hover {
    background: #ffd54f;
    color: #332b00;
  }

  .delete-confirm-input {
    background: #2a2a2a;
    border-color: #444;
    color: #e0e0e0;
  }

  .confirm-modal {
    background: var(--card-bg-dark, #1e1e1e);
  }

  .confirm-modal-title,
  .confirm-modal-message {
    color: var(--text-color-dark, #e0e0e0);
  }

  .confirm-modal-btn.cancel-btn {
    background: var(--button-bg-dark, #333);
    color: var(--text-color-dark, #e0e0e0);
  }

  .confirm-modal-btn.cancel-btn:hover {
    background: var(--button-bg-hover-dark, #444);
  }
}

/* Sender identification and withdrawal statement beneath the optional email label. */
.email-preference-notice {
  margin: 0.25rem 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.email-preference-notice:empty {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .email-preference-notice {
    color: var(--text-secondary-dark);
  }
}

/* Optional email preferences share the dashboard's card and action styles. */
.email-settings-card { max-width: 720px; padding: 1.75rem; margin-top: 1.5rem; background: var(--box-bg); border: 1px solid var(--sidebar-border); border-radius: 12px; }
.email-settings-choice { display: flex; align-items: flex-start; gap: .85rem; line-height: 1.6; cursor: pointer; }
.email-settings-choice input { flex: 0 0 auto; width: 20px; height: 20px; margin-top: .2rem; accent-color: var(--accent-color); }
.email-settings-card .email-preference-notice { margin: 1rem 0 0; line-height: 1.65; }
.email-settings-status { margin: 1.5rem 0; line-height: 1.6; overflow-wrap: anywhere; }
.email-settings-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.email-settings-actions .plan-button { width: auto; min-height: 44px; }
@media (max-width: 600px) {
  .email-settings-card { padding: 1.25rem; }
  .email-settings-actions { flex-direction: column; }
  .email-settings-actions .plan-button { width: 100%; }
}
@media (prefers-color-scheme: dark) {
  .email-settings-card { background: var(--box-bg-dark); border-color: var(--sidebar-border-dark); }
}