/* Shared application components: loading indicator, mail-address editor and toggle switch. */
.page-title-with-loader {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.loading-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  vertical-align: middle;
}
.loading-indicator-sm { width: 22px; height: 22px; }
.loading-indicator-md { width: 30px; height: 30px; }
.loading-envelope {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 13px;
  border: 2px solid #8c8881;
  border-radius: 3px;
  background: rgba(255,255,255,.7);
  animation: loading-envelope-float .74s ease-in-out infinite alternate;
}
.loading-envelope::before,
.loading-envelope::after {
  content: "";
  position: absolute;
  top: 1px;
  width: 10px;
  height: 10px;
  border-top: 2px solid #8c8881;
}
.loading-envelope::before {
  left: 1px;
  transform: rotate(36deg);
  transform-origin: top left;
}
.loading-envelope::after {
  right: 1px;
  transform: rotate(-36deg);
  transform-origin: top right;
}
@keyframes loading-envelope-float {
  from { transform: translateY(0) rotate(-3deg); opacity: .62; }
  to { transform: translateY(-2px) rotate(3deg); opacity: 1; }
}

.email-address-input {
  display: grid;
  gap: 10px;
}
.email-chip-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 34px;
}
.email-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  border: 1px solid #c9c5bd;
  border-radius: 999px;
  background: linear-gradient(#ffffff, #f2f1ef);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 1px 1px rgba(0,0,0,.05);
  padding: 5px 8px 5px 11px;
  color: var(--text-strong);
  font-size: 13px;
  line-height: 1.2;
}
.email-chip.invalid {
  border-color: #c96b63;
  background: #f6e3df;
  color: #873c35;
}
.email-chip-main {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}
.email-chip-address {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
  font-size: 12px;
}
.email-chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 999px;
  background: rgba(0,0,0,.08);
  color: #57534d;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
}
.email-chip-remove:hover { background: rgba(0,0,0,.15); }
.email-chip-empty {
  color: var(--muted);
  font-size: 13px;
}
.email-address-hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}
.recipient-editor-table th:nth-child(2),
.recipient-editor-table td:nth-child(2) { min-width: 430px; }
.recipient-editor-table th:last-child,
.recipient-editor-table td:last-child { width: 92px; text-align: right; }
.recipient-field-input,
.recipient-attachments-input {
  min-width: 150px;
  font-size: 12px;
}
.recipient-attachments-input {
  min-width: 260px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}
.card-title-node,
.card-heading-with-loader {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-strong);
  font-weight: 800;
}
.card-heading-with-loader {
  font-size: 18px;
}

.policy-source-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}
.policy-source-path-label {
  font-weight: 800;
  text-transform: uppercase;
}
.policy-source-path ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.policy-source-path li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-strong);
  font-weight: 700;
}
.policy-source-path li small {
  max-width: 180px;
  overflow: hidden;
  color: var(--muted);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.policy-source-path li small::before {
  content: "(";
}
.policy-source-path li small::after {
  content: ")";
}
.policy-source-path li + li::before {
  content: ">";
  color: var(--muted);
  font-weight: 700;
}

.password-field {
  position: relative;
  width: 100%;
}
.password-field.has-toggle input {
  padding-right: 42px;
}
.password-field.is-saved-empty input::placeholder {
  color: var(--muted);
  opacity: 1;
}
.password-field-toggle {
  position: absolute;
  top: 50%;
  right: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  transform: translateY(-50%);
}
.password-field-toggle:hover {
  background: rgba(0, 0, 0, .06);
  color: var(--text-strong);
}
.password-field-toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--blue) 55%, #fff);
  outline-offset: 1px;
}

/* Mail-style address editor: textarea surface + pills + add dialog. */
.email-address-editor {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.75), 0 1px 2px rgba(0,0,0,.035);
  padding: 7px 8px;
}
.email-address-editor:focus-within {
  border-color: #9bb7d3;
  box-shadow: 0 0 0 3px rgba(82, 130, 177, .14), inset 0 1px 0 rgba(255,255,255,.8);
}
.email-address-editor.has-error {
  border-color: #c96b63;
  box-shadow: 0 0 0 3px rgba(201, 107, 99, .13);
}
.email-address-editor .email-chip-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  min-height: 0;
}
.email-address-textarea {
  flex: 1 1 230px;
  min-width: 190px;
  min-height: 26px;
  max-height: 96px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  resize: none;
  overflow: hidden;
  padding: 4px 2px;
  font: inherit;
  line-height: 1.35;
}
.email-address-textarea:focus {
  outline: none;
  box-shadow: none;
}
.email-address-input.has-add-button .email-address-editor {
  padding-right: 42px;
}
.email-address-plus {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid #c7c2b8;
  border-radius: 999px;
  background: linear-gradient(#fff, #f0efec);
  color: #4f4b46;
  cursor: pointer;
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
  padding: 0;
}
.email-address-plus:hover {
  border-color: #aaa49a;
  background: linear-gradient(#fff, #e9e7e3);
}
.email-address-popover {
  position: absolute;
  z-index: 12;
  top: calc(100% + 7px);
  right: 0;
  width: min(360px, calc(100vw - 64px));
  display: grid;
  gap: 10px;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow-popover);
  padding: 14px;
}
.email-address-popover h4 {
  margin: 0;
  color: var(--text-strong);
  font-size: 15px;
}
.email-address-popover label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.email-address-popover input {
  font-size: 14px;
}
.email-address-suggestions {
  display: grid;
  gap: 4px;
  max-width: 560px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  padding: 6px;
}
.email-address-suggestions button {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-strong);
  cursor: pointer;
  padding: 7px 8px;
  text-align: left;
}
.email-address-suggestions button:hover {
  background: var(--panel-soft);
}
.email-address-suggestions small {
  color: var(--muted);
}
.email-address-input.compact {
  min-width: 420px;
}
.email-address-input.compact .email-address-editor {
  min-height: 40px;
}
.email-address-input.compact .email-address-textarea {
  flex-basis: 180px;
  min-width: 150px;
}
.email-address-input.disabled .email-address-editor {
  background: var(--panel-soft);
}
.email-address-input.disabled .email-address-plus,
.email-address-input.disabled .email-address-textarea,
.email-address-input.disabled .email-address-suggestions,
.email-address-input.disabled .email-address-popover {
  display: none;
}

/* Bootstrap-like switch controls without importing Bootstrap. */
.toggle-switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}
.toggle-switch-row.disabled {
  cursor: default;
  opacity: .72;
}
.toggle-switch-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.toggle-switch-track {
  position: relative;
  flex: 0 0 auto;
  width: 42px;
  height: 24px;
  border: 1px solid #aeb4bb;
  border-radius: 999px;
  background: #cfd4da;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.12);
  transition: background-color .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.toggle-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.22);
  transition: transform .16s ease;
}
.toggle-switch-input:checked + .toggle-switch-track {
  border-color: #0d6efd;
  background: #0d6efd;
}
.toggle-switch-input:checked + .toggle-switch-track .toggle-switch-thumb {
  transform: translateX(18px);
}
.toggle-switch-input:focus-visible + .toggle-switch-track {
  box-shadow: 0 0 0 3px rgba(13,110,253,.2), inset 0 1px 2px rgba(0,0,0,.12);
}
.toggle-switch-input:disabled + .toggle-switch-track {
  filter: grayscale(.15);
  opacity: .7;
}
.toggle-switch-copy {
  display: grid;
  gap: 2px;
}
.toggle-switch-label {
  color: var(--text-strong);
}
.toggle-switch-help {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
}

@media (max-width: 900px) {
  .email-address-input.compact { min-width: 260px; }
  .email-address-input.has-add-button .email-address-editor { padding-right: 39px; }
  .email-address-popover {
    left: 0;
    right: auto;
    width: min(340px, calc(100vw - 48px));
  }
}

/* Reusable inline help markers for form labels and compact contextual hints. */
.field-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.field-label-text {
  min-width: 0;
}
.inline-help {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  outline: none;
}
.inline-help-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  color: #686560;
  background: var(--line-dark);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  cursor: context-menu;
}
.inline-help:focus-visible .inline-help-mark {
  box-shadow: var(--focus-ring);
}
.inline-help-bubble {
  position: absolute;
  z-index: 40;
  left: 50%;
  bottom: calc(100% + 9px);
  width: max-content;
  max-width: min(320px, calc(100vw - 48px));
  transform: translate(-50%, 3px);
  border: 1px solid var(--line-dark);
  border-radius: 7px;
  background: var(--surface);
  box-shadow: var(--shadow-popover);
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  padding: 9px 10px;
  white-space: normal;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity .14s ease .35s, transform .14s ease .35s, visibility 0s linear .49s;
}
.inline-help-bubble::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: var(--surface);
  transform: translate(-50%, -5px) rotate(45deg);
}
.inline-help:hover .inline-help-bubble,
.inline-help:focus-within .inline-help-bubble {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
  transition-delay: .35s, .35s, .35s;
}
.field-with-action {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.field-with-action input,
.field-with-action select,
.field-with-action textarea {
  flex: 1 1 auto;
  min-width: 0;
}

.field-with-action button,
.field-with-action .button {
  flex: 0 0 auto;
  white-space: nowrap;
}
.loading-frame {
  position: relative;
}

.loading-frame.is-loading {
  min-height: 120px;
}

.loading-frame.is-loading > :not(.loading-frame-overlay) {
  pointer-events: none;
  user-select: none;
}

.loading-frame-overlay {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  min-height: 120px;
  padding: 1.25rem;
  border-radius: var(--radius-lg, 18px);
  background: rgba(255, 255, 255, 0.00);
  backdrop-filter: blur(1.5px);
  margin: -10px;
}

.loading-frame-panel {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-soft, rgba(15, 23, 42, 0.12));
  border-radius: 999px;
  color: var(--text, #172033);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft, 0 10px 28px rgba(15, 23, 42, 0.12));
  font-size: 0.9rem;
  font-weight: 600;
}


/* Collapsible cards */
.card-collapsible .card-header {
  gap: 12px;
}
.card-collapsible .card-actions {
  align-items: center;
}
.card-collapse-toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid #c9c3b9;
  border-radius: 999px;
  background: linear-gradient(#ffffff, #f1efeb);
  color: #4f4a43;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.75), 0 1px 1px rgba(0,0,0,.05);
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card-collapse-toggle:hover {
  border-color: #aaa299;
  background: linear-gradient(#ffffff, #e8e5df);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.82), 0 2px 5px rgba(0,0,0,.08);
}
.card-collapse-toggle:focus-visible {
  outline: 3px solid rgba(82, 130, 177, .22);
  outline-offset: 2px;
}
.card-collapse-toggle svg {
  transform: rotate(-180deg);
  transition: transform .22s ease;
}
.card-collapsible.is-collapsed .card-collapse-toggle svg {
  transform: none;
}
.card-collapse-region {
  display: block;
  width: 100%;
  min-width: 0;
}
.card-collapsible.is-collapsed .card-collapse-region {
  display: none;
}
.card-collapse-region > .card-body {
  width: 100%;
  min-width: 0;
}
@media (prefers-reduced-motion: reduce) {
  .card-collapse-toggle,
  .card-collapse-toggle svg,
  .card-collapse-region {
    transition: none;
  }
}

/* Reusable dismissible page alerts */
.alert-dismissible {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.alert-dismissible .alert-message {
  min-width: 0;
  flex: 1 1 auto;
}

.alert-floating-stack {
  position: fixed;
  top: 131px;
  left: 50%;
  z-index: 1200;
  display: grid;
  gap: 10px;
  width: min(640px, calc(100vw - 32px));
  transform: translateX(-50%);
  pointer-events: none;
}

.alert-floating {
  position: relative;
  top: auto;
  width: 100%;
  margin: 0;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 12px;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.2);
  pointer-events: auto;
}

.alert-dismiss {
  border: 0;
  background: transparent;
  color: currentColor;
  opacity: 0.78;
  cursor: pointer;
  line-height: 1;
  padding: 2px;
  border-radius: 999px;
  flex: 0 0 auto;
}

.alert-dismiss:hover,
.alert-dismiss:focus-visible {
  opacity: 1;
  background: rgba(255, 255, 255, 0.45);
}


/* Shared explorer tree and message display surfaces. */
.explorer-tree-children {
  display: grid;
  gap: 1px;
}

.explorer-tree-node-wrap {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: center;
  gap: 2px;
  border-radius: 9px;
}

.explorer-tree-node,
.explorer-tree-toggle {
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.explorer-tree-toggle {
  display: grid;
  place-items: center;
  width: 26px;
  height: 32px;
  border-radius: 9px;
  color: var(--muted);
}

.explorer-tree-toggle:disabled {
  cursor: default;
  opacity: .55;
}

.explorer-tree-node {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  width: 100%;
  padding: 8px 9px;
  border-radius: 9px;
  font: inherit;
  text-align: left;
  user-select: none;
}

.explorer-tree-node span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.explorer-tree-node-wrap:hover,
.explorer-tree-node-wrap:focus-within,
.explorer-tree-node-wrap.is-active {
  background: rgba(13, 110, 253, .08);
  outline: none;
}

.explorer-tree-node:focus-visible,
.explorer-tree-toggle:focus-visible {
  outline: none;
}

.message-display-panel {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.message-display-header {
  display: grid;
  gap: 8px;
}

.message-display-header h3 {
  margin: 0;
  color: var(--text-strong);
  overflow-wrap: anywhere;
}

.message-display-header div {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 10px;
}

.message-display-header span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.message-display-header strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.message-display-body {
  max-height: 420px;
  margin: 0;
  padding: 12px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  color: var(--text);
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.message-display-attachments {
  display: grid;
  gap: 8px;
}

.message-display-attachments h4 {
  margin: 0;
}

.message-display-attachments div {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.message-display-attachments small {
  color: var(--muted);
}

.message-display-headers dl {
  display: grid;
  gap: 7px;
  max-height: 280px;
  overflow: auto;
}

.message-display-headers dl div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 10px;
}

.message-display-headers dt {
  color: var(--muted);
  font-weight: 700;
}

.message-display-headers dd {
  margin: 0;
  overflow-wrap: anywhere;
}

/* Shared SMTP/IMAP server settings panel. */
.mail-server-settings-panel {
  display: grid;
  gap: 12px;
}
.mail-server-settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 22px;
}
.mail-server-subsection {
  display: grid;
  align-content: start;
  gap: 12px;
}
.mail-server-section-heading.split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.mail-server-section-heading h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: 14px;
  letter-spacing: .01em;
}
.mail-server-form-grid {
  align-items: start;
}
.mail-server-field-span {
  grid-column: 1 / -1;
}
.mail-server-toggle-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}
.mail-server-actions {
  justify-content: flex-end;
  margin-top: 12px;
}
.mail-server-folder-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.mail-server-folder-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: var(--panel-soft);
  padding: 3px 9px;
  color: var(--text-strong);
  font-size: 12px;
  font-weight: 700;
}
@media (max-width: 1000px) {
  .mail-server-settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .form-grid.compact.mail-server-form-grid { grid-template-columns: 1fr; }
  .mail-server-section-heading.split { align-items: flex-start; flex-direction: column; }
}