/* Overlays: modal backdrops, dialogs, toasts and remaining top-layer UI. Loads last. */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 20, 25, 0.42);
}

.modal-backdrop-floating {
  background: transparent;
}

.modal {
  width: min(100%, 440px);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 24px;
}

.modal h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: 0;
}

.modal p {
  margin: 10px 0 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.profile-answer-modal {
  width: min(100%, 520px);
}

.profile-answer-modal h2 {
  margin-top: 8px;
  font-size: 19px;
}

.profile-answer-input {
  width: 100%;
  min-height: 156px;
  margin: 16px 0 10px;
  padding: 12px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  line-height: 1.55;
}

.profile-answer-input:focus {
  border-color: var(--line-strong);
  outline: none;
  box-shadow: 0 0 0 3px rgba(29, 155, 240, 0.12);
}

.profile-answer-error {
  margin: 0 0 12px;
  color: #d91522;
  font-size: 13px;
  font-weight: 700;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.modal-button.secondary {
  border-color: var(--line);
  background: var(--panel);
  color: var(--ink);
}

.modal-button.secondary:hover,
.modal-button.secondary:focus-visible {
  border-color: var(--line-strong);
  background: var(--soft);
}

.delete-modal {
  width: min(100%, 320px);
}

.delete-modal p {
  margin-bottom: 24px;
}

.delete-modal-actions {
  display: grid;
  gap: 12px;
}

.modal-button.danger {
  border-color: #f4212e;
  background: #f4212e;
  color: #ffffff;
}

.modal-button.danger:hover,
.modal-button.danger:focus-visible {
  border-color: #d91522;
  background: #d91522;
}

.modal-button:disabled {
  cursor: default;
  opacity: 0.62;
}

@media (max-width: 820px) {
  .relaytree-main,
  .relaytree-app.sidebar-pinned .relaytree-main {
    width: calc(100% - var(--rail-width));
    margin-left: var(--rail-width);
    padding: calc(var(--topbar-height) + 10px) 0 32px;
  }

  .relaytree-app.reader-mode .relaytree-main,
  .relaytree-app.reader-mode.sidebar-pinned .relaytree-main {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
    overflow-x: hidden;
    overflow-x: clip;
    padding: calc(var(--topbar-height) + 10px) 0 32px;
  }

  .app-topbar {
    gap: 12px;
    padding: 0 14px;
  }

  .topbar-left {
    gap: 10px;
  }

  .topbar-actions {
    gap: 8px;
  }

  .topbar-brand {
    font-size: 25px;
  }

  .topbar-following-quick {
    gap: 4px;
  }

  .topbar-quick-button {
    min-height: 28px;
    padding: 0 8px;
    font-size: 11.5px;
  }

  .topbar-search {
    width: min(210px, 34vw);
  }

  .timeline {
    width: 100%;
    border-right: 0;
  }

  .timeline-resize-handle {
    display: none;
  }

  .lineage-tag-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    min-height: 64px;
  }

  .lineage-tag-cell {
    min-height: 64px;
    font-size: 11px;
    font-weight: 500;
    line-height: 1.25;
    padding: 6px 4px;
  }

  .lineage-parent-section {
    width: 100%;
    margin-right: 0;
    margin-left: 0;
  }

  .lineage-side-nav {
    width: 36px;
  }

  .lineage-side-nav.is-parents {
    left: 0;
    border-radius: 0 8px 8px 0;
  }

  .lineage-side-nav.is-children {
    right: 0;
    border-radius: 8px 0 0 8px;
  }

  .lineage-card-shell .feed-card {
    padding-right: 48px;
    padding-left: 48px;
  }

  .for-you-page {
    padding: 30px 14px 44px;
  }

  .for-you-inner {
    width: 100%;
  }

  .for-you-toolbar {
    width: 100%;
  }

  .for-you-toolbar-controls {
    width: 100%;
  }

  .for-you-submenu {
    top: calc(100% - 1px);
    right: 0;
    left: auto;
  }

  .for-you-parent-shell {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
  }

  .for-you-parent-card {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 20px;
  }

  .for-you-cover.is-large {
    min-height: 132px;
  }

  .for-you-parent-main {
    padding-right: 0;
  }

  .for-you-parent-index {
    position: static;
    justify-self: start;
  }

  .for-you-sibling-nav {
    width: 42px;
    font-size: 28px;
  }

  .following-lineage-stack {
    --following-step-offset: 28px;
    --following-step-span: calc(var(--following-step-offset) * 2);
    gap: 14px;
    width: 100%;
    justify-self: stretch;
    padding: 16px 10px 28px;
    transform: none;
  }

  .following-tag-center,
  .following-content-center {
    left: auto;
    width: 100%;
    margin-left: 0;
    transform: none;
  }

  .following-lineage-slot {
    width: calc(100% - var(--following-step-span));
    margin-left: calc(var(--following-step-offset) * var(--following-depth));
  }

  .following-lineage-slot.is-parent::before,
  .following-lineage-slot.is-child::before {
    display: none;
  }

  .following-primary-card {
    grid-template-columns: 46px minmax(0, 1fr) 46px;
    width: calc(100% + 92px);
    margin-inline: -46px;
  }

  .following-expansion-controls {
    top: auto;
    right: 10px;
    bottom: 8px;
    left: auto;
    width: 32px;
    height: 26px;
  }

  .following-expansion-button {
    width: 32px;
    height: 26px;
  }

  .following-expansion-button::before {
    width: 20px;
    height: 20px;
  }

  .following-sibling-nav {
    width: 46px;
    height: 46px;
    min-height: 46px;
  }

  .following-sibling-nav::before {
    width: 14px;
    height: 14px;
    border-top-width: 6px;
    border-right-width: 6px;
  }

  .following-lineage-card .feed-card {
    padding-right: 42px;
    padding-left: 42px;
  }

  .following-child-list {
    gap: 8px;
  }

  .sidebar:hover,
  .relaytree-app.sidebar-pinned .sidebar {
    width: min(var(--rail-expanded-width), 58vw);
  }

}

@media (max-width: 560px) {
  .topbar-search {
    display: none;
  }

  .for-you-page {
    padding: 22px 12px 36px;
  }

  .for-you-toolbar-controls,
  .for-you-picker,
  .for-you-source-nav {
    width: 100%;
  }

  .for-you-toolbar-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .for-you-picker,
  .for-you-source-nav {
    justify-content: center;
    padding: 0 6px;
  }

  .for-you-picker-trigger {
    width: 100%;
    height: 70px;
    flex-direction: column;
    gap: 4px;
  }

  .for-you-picker-trigger strong,
  .for-you-source-nav span {
    font-size: 14.5px;
    line-height: 1.18;
    white-space: normal;
  }

  .for-you-source-nav button {
    min-width: 22px;
    width: 22px;
    font-size: 18px;
  }

  .for-you-source-nav span {
    min-width: 44px;
  }

  .for-you-picker-menu {
    right: 0;
    left: 0;
    transform: none;
  }

  .for-you-submenu {
    right: 0;
    left: 0;
    min-width: 100%;
    transform: none;
  }

  .for-you-parent-shell {
    grid-template-columns: 32px minmax(0, 1fr) 32px;
  }

  .for-you-parent-card {
    padding: 16px;
  }

  .for-you-parent-card h1 {
    font-size: 20px;
  }

  .for-you-sibling-nav {
    width: 32px;
    font-size: 24px;
  }

  .for-you-child-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .for-you-child-media,
  .for-you-cover.is-small {
    width: 100%;
    height: 92px;
    flex-basis: auto;
  }

  .topbar-left {
    gap: 8px;
  }

  .topbar-quick-button {
    padding: 0 7px;
  }

  .topbar-write-button span:not(.app-icon) {
    display: none;
  }

  .topbar-account-pill {
    max-width: 92px;
    padding-right: 6px;
    padding-left: 6px;
  }

  .timeline-tab {
    font-size: 12px;
  }

  .composer {
    max-width: calc(100% - 20px);
    margin: 12px auto;
  }

  .title-input {
    min-height: 56px;
    padding: 15px 16px 12px;
    font-size: 21px;
  }

  .body-editor {
    min-height: 220px;
    padding: 18px 16px;
    font-size: 17px;
  }

  .composer-formatbar {
    padding: 8px 10px;
  }

  .composer-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .tool-row,
  .save-cluster {
    width: 100%;
  }

  .save-cluster {
    justify-items: stretch;
  }

  .version-controls {
    justify-content: stretch;
  }

  .version-title-input {
    width: 100%;
    flex: 1 1 auto;
  }

  .save-primary-row {
    width: 100%;
    justify-content: space-between;
  }

  .reader-title {
    padding-right: 16px;
    padding-left: 16px;
    font-size: 25px;
  }

  .reader-author-row,
  .reader-tabs,
  .reader-content,
  .reader-tag-row,
  .reader-emotion-summary,
  .reader-edit-form,
  .reader-siblings,
  .reader-view .feed-attachments {
    padding-right: 16px;
    padding-left: 16px;
  }

  .reader-tabs {
    margin-right: 0;
    margin-left: 0;
  }

  .reader-title-input {
    font-size: 25px;
  }

  .reader-content {
    font-size: 16px;
    line-height: 1.72;
  }

  .reader-tag-row,
  .reader-emotion-summary {
    margin-right: 0;
    margin-left: 0;
  }

  .reader-emotion-highlight-note {
    float: none;
    max-width: 100%;
    margin: 3px 0 2px 6px;
    vertical-align: baseline;
  }

  .reader-edit-save-row,
  .reader-version-controls {
    justify-content: stretch;
  }

  .reader-version-title-input {
    width: 100%;
    flex: 1 1 auto;
  }

  .reader-actions {
    margin-right: 16px;
    margin-left: 16px;
  }

  .comment-panel {
    margin-right: 16px;
    margin-left: 16px;
  }

}