:root {
  --bg: #f2efe8;
  --panel: #fffdf8;
  --panel-alt: #f7f3ea;
  --border: #cfc8bc;
  --border-light: #e2ddd4;
  --text: #1e1c18;
  --muted: #5e5a52;
  --accent: #22577a;
  --accent-soft: #dbe9f3;
  --accent-hover: #1a4562;
  --ok: #356859;
  --ok-soft: #e3f0ea;
  --warn: #9b3d24;
  --shadow: 0 4px 14px rgba(25, 22, 17, 0.08);
  --shadow-lg: 0 8px 28px rgba(25, 22, 17, 0.12);
  --radius: 18px;
  --radius-sm: 14px;
  --font-sans: "Atkinson Hyperlegible", system-ui, sans-serif;
  --font-display: "Newsreader", Georgia, serif;
  --transition: 0.15s ease;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --bottom-nav-bar: 72px;
  --bottom-nav-clearance: calc(var(--bottom-nav-bar) + var(--safe-bottom) + 24px);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

img {
  max-width: 100%;
  height: auto;
}

[hidden] {
  display: none !important;
}

/* ───── Shell ───── */

.app-shell {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 10px 10px var(--bottom-nav-clearance);
}

/* ───── Shared panel background ───── */

.app-header,
.section-block,
.card-panel,
.detail-panel,
.upload-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ───── Header ───── */

.app-header {
  padding: 14px 14px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

a.app-home-link,
.app-home-link {
  text-decoration: none;
  color: inherit;
  display: block;
  min-width: 0;
  flex: 1 1 200px;
}

.app-home-link:hover .app-title,
.app-home-link:focus-visible .app-title {
  color: var(--accent);
  outline: none;
}

.app-home-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 8px;
}

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

.app-logo {
  display: block;
  max-width: 320px;
  width: 100%;
  height: auto;
}

.app-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.5vw, 2.25rem);
  line-height: 1.15;
}

.app-subtitle {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.top-status {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  width: 100%;
}

.top-user-search-shell {
  position: relative;
  flex: 1 1 220px;
  min-width: 180px;
}

.top-user-search-shell input {
  width: 100%;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--panel-alt);
  padding: 8px 14px;
}

.top-user-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 12;
  box-shadow: var(--shadow-lg);
}

/* ───── Pills & tags ───── */

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--panel-alt);
  border: 1px solid var(--border-light);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.status-pill.ok {
  background: var(--ok-soft);
  color: var(--ok);
  border-color: #b3d6c6;
}

/* ───── Buttons ───── */

.top-action,
.primary-btn,
.secondary-btn,
.bottom-nav-btn,
.category-tile,
.close-btn {
  min-height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 10px 16px;
  font-weight: 700;
  font-size: 15px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.top-action {
  padding: 8px 12px;
  font-size: 13px;
  min-height: 40px;
  flex: 1 1 0;
  justify-content: center;
}

.top-bell-btn,
.top-avatar-btn {
  flex: 0 0 auto;
  position: relative;
}

.top-avatar-btn {
  gap: 8px;
  align-items: center;
}

.top-action,
.secondary-btn,
.close-btn {
  background: var(--panel-alt);
  color: var(--text);
}

.top-action:hover,
.secondary-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.primary-btn {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.primary-btn:hover {
  background: var(--accent-hover);
}

.primary-btn:active,
.secondary-btn:active,
.top-action:active {
  transform: scale(0.97);
}

.wide-btn {
  width: 100%;
  justify-content: center;
}

/* ───── Routing ───── */

.route-panel {
  margin-top: 12px;
}

.route-panel[hidden] {
  display: none !important;
}

/* ───── Section blocks ───── */

.section-block {
  margin-top: 12px;
  padding: 16px 12px;
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}

.section-block + .section-block {
  margin-top: 12px;
}

.nested-block {
  margin-top: 16px;
  background: var(--panel-alt);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.section-head-stack {
  flex-wrap: wrap;
  align-items: flex-start;
}

.section-head h2,
.panel-title {
  margin: 0;
  font-size: 1.15rem;
}

.panel-head-inline {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

/* ───── Category tiles ───── */

.tile-group + .tile-group {
  margin-top: 16px;
}

.tile-group-title {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tile-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.tile-group-head .tile-group-title {
  margin: 0;
}

.category-edit-launch {
  flex-shrink: 0;
  font-weight: 650;
  min-height: 42px;
  padding-inline: 14px;
}

.category-manage-section-title {
  margin: 16px 0 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

.category-manage-section-title:first-of-type {
  margin-top: 4px;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.tile-grid-small {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.category-tile {
  position: relative;
  min-height: 64px;
  text-align: left;
  background: #fff;
  font-size: 0.9rem;
  line-height: 1.3;
  border: 2px solid var(--border-light);
  border-radius: 14px;
  padding: 12px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-tile::before {
  content: "";
  width: 5px;
  min-height: 28px;
  border-radius: 3px;
  background: var(--border);
  flex-shrink: 0;
  transition: background var(--transition);
}

.category-tile:focus,
.category-tile:hover {
  outline: none;
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 2px 8px rgba(34, 87, 122, 0.12);
}

.category-tile:focus::before,
.category-tile:hover::before {
  background: var(--accent);
}

.category-tile:active {
  transform: scale(0.97);
  background: #c8dfe9;
}

.category-tile.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 2px 8px rgba(34, 87, 122, 0.14);
}

.category-tile.is-selected::before {
  background: var(--accent);
}

/* ───── Search ───── */

.search-panel,
.profile-form,
.upload-form {
  display: grid;
  gap: 14px;
}

.search-grid,
.profile-grid,
.admin-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.field {
  display: grid;
  gap: 4px;
}

.field span {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.field input,
.field textarea,
.field select {
  min-height: 48px;
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
  font-size: 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 87, 122, 0.12);
}

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

.field-password .password-row {
  display: flex;
  gap: 6px;
  align-items: stretch;
}

.field-password .password-row input {
  flex: 1 1 auto;
  min-width: 0;
}

.password-toggle {
  flex: 0 0 auto;
  min-width: 56px;
  min-height: 48px;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--panel-alt);
  color: var(--accent);
  cursor: pointer;
}

.password-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.profile-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.profile-top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  width: 100%;
}

.profile-top-actions .secondary-btn {
  width: 100%;
  justify-content: center;
}

.profile-avatar-wrap {
  margin: 8px 0 0;
}

.profile-avatar-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 12px;
  border: 2px solid var(--border-light);
  background: var(--panel-alt);
}

.section-top-nav {
  margin: 0 0 8px;
}

.back-home-link {
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.back-home-link:hover {
  text-decoration: underline;
}

.forgot-password-line,
.forgot-back-line {
  margin: 0 0 8px;
  text-align: center;
}

.text-link-btn {
  background: none;
  border: none;
  padding: 6px 4px;
  font: inherit;
  font-weight: 700;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  display: inline;
}

a.text-link-btn {
  text-decoration: underline;
}

.text-link-btn:hover,
.text-link-btn:focus-visible {
  color: var(--accent-hover);
  outline: none;
}

.messages-layout {
  display: grid;
  gap: 12px;
  min-height: 66vh;
}

.messages-conversations-panel,
.messages-thread-panel {
  display: grid;
  gap: 12px;
  align-content: start;
}

.messages-conversations-panel {
  min-height: 0;
}

.messages-panel-head,
.messages-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.messages-search-field {
  margin-bottom: 0;
}

.messages-search-shell {
  position: relative;
}

.messages-search-shell input,
#share-resource-search {
  border-radius: 999px;
  padding-left: 14px;
}

.messages-search-results,
.messages-conversation-list {
  display: grid;
  gap: 8px;
}

.messages-search-results[hidden] {
  display: none !important;
}

.messages-conversation-list-wrap {
  display: grid;
  gap: 10px;
  min-height: 0;
}

.messages-conversation-list {
  min-height: 0;
}

.messages-conversation-list.compact {
  max-height: 240px;
  overflow-y: auto;
}

.message-user-result,
.message-inbox-item,
.share-target-row {
  width: 100%;
  border: 1px solid var(--border-light);
  border-radius: 18px;
  background: #fff;
  padding: 12px;
  text-align: left;
  display: grid;
  gap: 8px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.message-user-result:hover,
.message-inbox-item:hover,
.share-target-row:hover,
.message-user-result:focus-visible,
.message-inbox-item:focus-visible,
.share-target-row:focus-visible {
  border-color: var(--accent);
  background: #f8fbfe;
  box-shadow: 0 6px 18px rgba(34, 87, 122, 0.08);
  outline: none;
}

.message-user-result:active,
.message-inbox-item:active,
.share-target-row:active {
  transform: scale(0.985);
}

.message-user-row,
.message-conversation-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}

.message-user-main,
.message-conversation-main {
  min-width: 0;
}

.message-user-name,
.message-conversation-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.message-user-subtitle,
.message-conversation-preview {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-conversation-preview strong {
  color: var(--text);
}

.message-conversation-meta {
  display: grid;
  gap: 8px;
  justify-items: end;
  align-content: start;
}

.message-unread-badge {
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.message-inbox-item.is-active {
  border-color: var(--accent);
  background: linear-gradient(180deg, #f8fbfe 0%, var(--accent-soft) 100%);
}

.message-user-status,
.messages-thread-status-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.messages-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #90a4ae;
  box-shadow: 0 0 0 3px rgba(144, 164, 174, 0.12);
  flex-shrink: 0;
}

.messages-status-dot.is-active {
  background: #2d8a5a;
  box-shadow: 0 0 0 3px rgba(45, 138, 90, 0.14);
}

.messages-thread-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 12px;
}

.messages-back-btn {
  min-height: 38px;
  padding: 6px 10px;
}

.messages-thread-user {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
  overflow: hidden;
}

.messages-thread-actions {
  margin-left: auto;
}

.messages-avatar {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  overflow: hidden;
}

.messages-avatar.small {
  width: 32px;
  height: 32px;
  font-size: 12px;
}

.messages-avatar.xs {
  width: 28px;
  height: 28px;
  font-size: 11px;
}

.messages-avatar.large,
.profile-view-avatar {
  width: 96px;
  height: 96px;
  font-size: 1.75rem;
}

.messages-avatar.is-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.messages-thread-name {
  margin: 0;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.messages-thread-list {
  display: grid;
  gap: 14px;
  min-height: 320px;
  max-height: 52vh;
  overflow-y: auto;
  padding-right: 4px;
}

.message-group {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.message-group.mine {
  justify-content: flex-end;
}

.message-group.theirs {
  justify-content: flex-start;
}

.message-group.mine .messages-avatar {
  display: none;
}

.message-stack {
  display: grid;
  gap: 4px;
  max-width: min(82%, 560px);
}

.message-group-meta {
  padding: 0 8px 2px;
}

.message-group.mine .message-group-meta {
  text-align: right;
}

.message-bubble {
  border-radius: 20px;
  padding: 10px 14px;
  display: grid;
  gap: 8px;
  border: 1px solid var(--border-light);
  background: #fff;
  box-shadow: 0 2px 10px rgba(25, 22, 17, 0.04);
}

.message-group.mine .message-bubble {
  background: linear-gradient(180deg, #2e6f98 0%, var(--accent) 100%);
  color: #fff;
  border-color: #2e6f98;
}

.message-group.mine .message-bubble .small-note,
.message-group.mine .message-bubble .message-user-subtitle,
.message-group.mine .message-bubble .message-shared-resource-meta {
  color: rgba(255, 255, 255, 0.82);
}

.message-bubble-text {
  white-space: pre-wrap;
  word-break: break-word;
}

.message-bubble-image {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.92);
}

.message-bubble-image img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  display: block;
}

.message-bubble-time {
  font-size: 12px;
  color: var(--muted);
}

.message-shared-resource-card {
  display: grid;
  gap: 10px;
  border-radius: 16px;
  border: 1px solid rgba(34, 87, 122, 0.18);
  background: rgba(255, 255, 255, 0.86);
  padding: 10px;
}

.message-group.mine .message-shared-resource-card {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.message-shared-resource-thumb {
  border-radius: 14px;
  overflow: hidden;
  min-height: 96px;
  background: var(--panel-alt);
}

.message-shared-resource-thumb img,
.message-shared-resource-thumb iframe {
  width: 100%;
  display: block;
}

.message-shared-resource-thumb iframe {
  height: 160px;
  border: 0;
}

.message-shared-resource-copy {
  display: grid;
  gap: 4px;
}

.message-shared-resource-title {
  font-weight: 700;
}

.message-shared-resource-meta {
  font-size: 12px;
  color: var(--muted);
}

.message-shared-resource-card button {
  justify-self: start;
}

.message-shared-resource-card.is-unavailable {
  background: #f8f4ee;
  border-color: #d6c4a9;
}

.messages-empty-state {
  min-height: 320px;
  border: 1px dashed var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.96) 0%, rgba(247, 243, 234, 0.92) 100%);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px 18px;
}

.messages-empty-icon {
  width: 62px;
  height: 62px;
  border-radius: 20px;
  background: var(--accent-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 12px;
}

.messages-thread-wrap {
  min-height: 0;
}

.messages-composer-shell {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.messages-composer-shell textarea {
  min-height: 92px;
  resize: none;
  overflow-y: hidden;
}

.messages-composer-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.messages-composer-iconbtn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  padding: 0;
}

.messages-composer-iconbtn .icon {
  width: 20px;
  height: 20px;
}

.messages-composer-iconbtn span[aria-hidden="true"] {
  font-size: 24px;
  line-height: 1;
}

.messages-composer-iconbtn:hover,
.messages-composer-iconbtn:focus-visible {
  background: rgba(51, 102, 204, 0.08);
  border-color: rgba(51, 102, 204, 0.2);
  outline: none;
}

.message-emoji-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  background: var(--panel-alt);
}

.message-emoji-btn {
  min-width: 40px;
  min-height: 40px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  color: var(--text);
  font-family: inherit;
}

.message-emoji-label {
  display: block;
  line-height: 1.2;
  text-align: center;
}

.message-emoji-btn:hover,
.message-emoji-btn:focus-visible {
  border-color: var(--accent);
  background: #edf3ff;
  outline: none;
}

.message-image-preview {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  background: var(--panel-alt);
}

.message-image-preview img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
}

.message-image-preview-actions {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.share-resource-panel {
  display: grid;
  gap: 14px;
}

.share-resource-summary {
  display: grid;
  gap: 8px;
}

.share-resource-summary-card {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  border: 1px solid var(--border-light);
  border-radius: 18px;
  background: var(--panel-alt);
  padding: 12px;
}

.share-resource-summary-card .resource-thumb,
.share-resource-summary-card .message-shared-resource-thumb {
  min-height: 92px;
  border-radius: 14px;
}

.share-resource-summary-copy {
  display: grid;
  gap: 6px;
  align-content: center;
}

.share-resource-recent {
  display: grid;
  gap: 8px;
}

.resource-thumb--has-image {
  background: #f0ebe2;
}

.search-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.section-actions,
.profile-actions,
.detail-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  width: 100%;
}

.section-actions {
  flex-shrink: 0;
}

.section-actions > *,
.profile-actions > *,
.detail-actions > * {
  flex: 1 1 100%;
}

/* ───── Resource grid ───── */

.resource-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.resource-card {
  border: 1px solid var(--border-light);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  content-visibility: auto;
  contain-intrinsic-size: 200px;
}

.resource-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(34, 87, 122, 0.1);
}

.resource-card:active {
  transform: scale(0.985);
}

.resource-card-body .tag-row {
  margin-top: 4px;
}

.resource-card-hit {
  width: 100%;
  border: none;
  background: transparent;
  padding: 0;
  text-align: left;
  cursor: pointer;
  display: grid;
  grid-template-columns: 100px 1fr;
  align-items: center;
}

.resource-card-actions {
  display: grid;
  gap: 8px;
  padding: 0 12px 12px;
}

.resource-card-actions .secondary-btn {
  min-height: 42px;
  justify-content: center;
}

.resource-card-skeleton {
  pointer-events: none;
}

.skeleton-block,
.skeleton-line,
.skeleton-chip {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, #eee8dc 0%, #f8f5ec 50%, #eee8dc 100%);
  background-size: 220% 100%;
  animation: skeleton-shimmer 1.2s linear infinite;
}

.skeleton-line {
  height: 12px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 16px;
  width: 70%;
}

.skeleton-chip {
  display: inline-flex;
  width: 72px;
  height: 24px;
  border: none;
}

@keyframes skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -20% 0;
  }
}

.resource-thumb {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #f8f5ec 0%, #eee9dc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.resource-thumb img,
.preview-image,
.detail-preview img,
.detail-preview-frame,
.preview-frame {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 6px;
}

.detail-preview-frame,
.preview-frame {
  border: 0;
  background: #fff;
}

.thumb-fallback,
.preview-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  text-align: center;
}

.thumb-fallback span {
  min-width: 40px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.85);
  padding: 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.thumb-fallback p {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.resource-card-body {
  padding: 10px 12px;
  min-width: 0;
}

.resource-card-body h3 {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.resource-type {
  margin: 2px 0 6px;
  color: var(--muted);
  font-size: 12px;
}

.tag-row,
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag,
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--panel-alt);
  border: 1px solid var(--border-light);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

/* ───── Empty state ───── */

.empty-card {
  background: #fff;
  border: 2px dashed var(--border);
  border-radius: 14px;
  padding: 28px 16px;
  text-align: center;
  grid-column: 1 / -1;
}

.empty-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--panel-alt);
  font-size: 24px;
  margin-bottom: 12px;
}

.empty-card-title {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 1rem;
}

.empty-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.empty-card .primary-btn {
  margin-top: 14px;
}

/* ───── Simple lists ───── */

.simple-list {
  display: grid;
  gap: 8px;
}

.compact-list .simple-item {
  min-height: auto;
}

.simple-item {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.simple-item strong {
  display: block;
  margin-bottom: 3px;
}

.comment-row,
.user-permission-profile {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.comment-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.inline-link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  font-weight: 700;
  text-align: left;
}

.inline-link-btn-plain {
  color: inherit;
  font-weight: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.wiki-meta-card {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--panel-alt);
  border: 1px solid var(--border-light);
}

.wiki-meta-row {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.related-resource-list {
  margin-top: 14px;
}

.related-resource-list h4 {
  margin: 0 0 8px;
}

.related-resource-item,
.linked-resource-chip,
.forum-thread-card {
  width: 100%;
  text-align: left;
}

.community-tabs {
  display: flex;
  gap: 0;
  margin: 0 0 16px;
  padding: 0;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  background: var(--panel);
  overflow: hidden;
}

.community-tab-btn {
  flex: 1 1 50%;
  min-height: 48px;
  padding: 12px 14px;
  margin: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: color 0.15s ease, background 0.15s ease;
}

.community-tab-btn:hover {
  color: var(--text);
  background: var(--panel-alt);
}

.community-tab-btn.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-bottom-color: var(--accent);
}

.community-tab-panel {
  min-width: 0;
}

/* Forum tab: single full-width column — form, list, then detail (no side-by-side overlap) */
.community-tab-forum .community-forum-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  min-width: 0;
}

.community-tab-forum .forum-threads-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.community-tab-forum .forum-thread-detail-panel:not([hidden]) {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Community: desktop 2-column (feed | forum), mobile stacked */
.community-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  width: 100%;
  min-width: 0;
}

@media (max-width: 900px) {
  .community-split {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
}

.community-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.community-feed-panel,
.forum-compose-panel,
.forum-threads-panel {
  min-width: 0;
}

.community-forum-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.forum-compose-inner {
  display: grid;
  gap: 12px;
}

.forum-compose-submit-row {
  margin-top: 4px;
}

.forum-threads-heading {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-head-with-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-head-with-action h2 {
  margin: 0;
}

.category-manage-lede {
  margin: 0 0 14px;
}

.category-manage-list {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
  max-height: min(52vh, 440px);
  overflow-y: auto;
  padding-right: 4px;
}

.category-manage-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #fff;
  min-width: 0;
}

.category-manage-row-main {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.category-manage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.category-manage-actions .secondary-btn {
  min-height: 40px;
  padding: 8px 12px;
  font-size: 13px;
}

.category-add-form {
  display: grid;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border-light);
}

.category-add-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 520px) {
  .category-add-grid {
    grid-template-columns: 1fr;
  }
}

.category-manage-panel {
  max-width: 560px;
}

.community-layout {
  display: grid;
  gap: 14px;
}

.community-feed-shell,
.forum-sidebar {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.forum-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
  width: 100%;
  min-width: 0;
}

.community-panel {
  display: grid;
  gap: 14px;
}

.community-compose {
  display: grid;
  gap: 12px;
}

.community-compose-card {
  border: 1px solid var(--border-light);
  border-radius: 18px;
  padding: 14px;
  background: linear-gradient(180deg, #fff 0%, var(--panel-alt) 100%);
}

.community-compose-top,
.community-post-head,
.forum-thread-card-top,
.community-post-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.community-admin-strip {
  padding: 12px 14px;
  margin-bottom: 14px;
  display: grid;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border-light);
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--panel) 100%);
}

.community-admin-strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.community-admin-strip-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text);
  max-width: min(100%, 52ch);
}

.community-admin-strip .secondary-btn {
  flex-shrink: 0;
  min-height: 44px;
}

.community-compose-avatar {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px solid var(--border-light);
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}

.community-compose-avatar .messages-avatar {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
}

.community-compose-avatar.is-filled {
  background: var(--panel-alt);
  padding: 0;
}

.community-compose-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.community-compose-placeholder .icon {
  width: 22px;
  height: 22px;
  opacity: 0.75;
}

.forum-compose-icon {
  font-size: 1.1rem;
}

.forum-compose-icon .icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
}

.community-compose-copy {
  display: grid;
  gap: 2px;
  flex: 1 1 auto;
}

.community-compose-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.community-topic-row {
  margin-top: -4px;
}

.community-feed-list {
  gap: 12px;
}

.community-post-card {
  gap: 12px;
  border-radius: 18px;
  padding: 14px;
  display: grid;
  align-content: start;
}

.community-post-card .related-resource-item {
  margin-top: 4px;
}

.community-post-body,
.forum-thread-detail-copy {
  display: grid;
  gap: 10px;
}

.community-post-body p,
.community-post-text,
.forum-thread-body-copy,
.forum-detail-original-body,
.forum-reply-body {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.6;
  max-width: 100%;
}

.community-post-text {
  min-width: 0;
}

.community-post-author-row .comment-copy {
  min-width: 0;
}

.community-post-name-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.community-post-author-block {
  flex: 1 1 auto;
  min-width: 0;
}

.community-post-delete {
  flex-shrink: 0;
  align-self: flex-start;
}

.forum-thread-card.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.community-thread-detail,
.forum-thread-detail-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  max-height: none;
  overflow: visible;
  width: 100%;
  box-sizing: border-box;
}

.forum-thread-detail-panel:not([hidden]) {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 2px solid var(--border-light);
}

.forum-thread-detail-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  background: #fff;
  padding: 16px;
  min-width: 0;
}

.forum-detail-card-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.forum-thread-detail-intro {
  flex: 1 1 auto;
  min-width: 0;
}

.forum-detail-delete-wrap {
  flex-shrink: 0;
  padding-top: 2px;
}

.forum-detail-delete-wrap .secondary-btn {
  white-space: nowrap;
  min-height: 40px;
}

@media (max-width: 520px) {
  .forum-detail-card-header {
    grid-template-columns: 1fr;
  }

  .forum-detail-delete-wrap {
    justify-self: start;
  }
}

.forum-detail-tags {
  flex-wrap: wrap;
}

.forum-detail-category-line {
  margin: 0 0 6px;
}

.forum-detail-heading {
  margin: 0 0 12px;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.forum-detail-op-row {
  align-items: flex-start;
}

.forum-detail-name-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.forum-detail-op-names {
  gap: 6px;
}

.forum-detail-op-time {
  display: block;
}

.forum-detail-original-body {
  padding-top: 4px;
  border-top: 1px solid var(--border-light);
  margin-top: 4px;
}

.forum-replies-head {
  align-items: baseline;
}

.forum-replies-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.forum-thread-detail-panel .forum-reply-form {
  margin-top: 0;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  order: 3;
}

.forum-thread-detail-panel .forum-thread-detail-card {
  order: 1;
}

.forum-thread-detail-panel .forum-replies-block {
  order: 2;
}

.forum-replies-title {
  margin: 0;
}

.forum-reply-name-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.forum-thread-open {
  display: grid;
  gap: 10px;
}

.thread-preview {
  color: var(--muted);
  line-height: 1.45;
}

.forum-thread-card {
  cursor: pointer;
  text-align: left;
}

.forum-thread-card-stack {
  display: grid;
  gap: 10px;
  width: 100%;
  min-width: 0;
}

.forum-thread-card-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.forum-thread-card-topline .forum-thread-card-badges {
  flex: 1 1 auto;
  min-width: 0;
}

.forum-thread-card-topline .forum-card-time {
  flex-shrink: 0;
  margin-left: auto;
}

.forum-card-time {
  flex-shrink: 0;
  white-space: nowrap;
}

.forum-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  overflow-wrap: anywhere;
  margin: 0;
}

.forum-card-author-row {
  align-items: flex-start;
}

.forum-card-author-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.forum-card-category-line {
  margin: 0;
}

.forum-card-preview-wrap {
  min-width: 0;
}

.forum-card-preview {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: pre-wrap;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  overflow: hidden;
  max-height: none;
}

.forum-card-read-hint {
  margin: 4px 0 0;
}

.forum-thread-list {
  gap: 10px;
}

.forum-thread-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.forum-thread-count {
  min-width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--panel-alt);
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.forum-thread-meta-line {
  color: var(--muted);
  font-size: 13px;
}

.forum-linked-resource {
  border-radius: 16px;
}

.forum-reply-list {
  gap: 10px;
}

.forum-reply-card {
  border-radius: 16px;
}

.user-profile-summary {
  display: grid;
  gap: 14px;
}

.user-profile-hero {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.user-profile-hero h3 {
  margin: 0 0 4px;
}

.user-profile-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.notification-item {
  width: 100%;
  text-align: left;
  display: grid;
  grid-template-columns: 20px 1fr auto;
  gap: 10px;
  align-items: start;
  cursor: pointer;
}

.notification-item.is-unread {
  background: #f7fbff;
  border-color: #bfd3f5;
}

.notification-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.notification-main {
  min-width: 0;
}

.notification-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.notification-title-row strong {
  margin: 0;
}

.notification-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #da3d43;
  flex: 0 0 auto;
}

.notification-preview {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  word-break: break-word;
}

.notification-meta {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

/* ───── Notes ───── */

.small-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.small-note.ok {
  color: var(--ok);
}

.small-note.err {
  color: var(--warn);
}

/* ───── Profile / auth ───── */

.card-panel {
  padding: 16px 14px;
}

.auth-loading-card:not([hidden]) {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
}

.auth-state-note {
  margin: 0 0 12px;
}

.auth-state-actions {
  margin: 0 0 12px;
}

.auth-loading-spinner {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(34, 87, 122, 0.2);
  border-top-color: var(--accent);
  animation: spin-auth 0.9s linear infinite;
}

.profile-summary-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--ink);
}

.profile-identity-list {
  display: grid;
  gap: 4px;
}

.auth-notice {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #ead38b;
  background: #fff6d9;
  color: #7d5d00;
  font-size: 13px;
  font-weight: 700;
}

.auth-notice.ok {
  border-color: #9bc9b3;
  background: #eaf8f0;
  color: #226343;
}

.auth-notice.warn {
  border-color: #ead38b;
  background: #fff6d9;
  color: #7d5d00;
}

.verify-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.verify-actions .secondary-btn {
  width: 100%;
  justify-content: center;
}

.card-panel + .card-panel {
  margin-top: 12px;
}

.profile-grid-wrap {
  display: grid;
  gap: 14px;
}

.panel-title {
  margin-bottom: 4px;
}

.panel-subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
}

/* ───── Admin / users ───── */

.user-permission-list {
  display: grid;
  gap: 10px;
}

.user-permission-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 12px;
}

.user-permission-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.user-permission-head p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.user-permission-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
  margin-bottom: 10px;
}

.permission-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-bottom: 10px;
}

.permission-option {
  display: flex;
  gap: 8px;
  align-items: center;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--panel-alt);
}

.permission-option input {
  margin: 0;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.permission-option span {
  font-size: 13px;
  line-height: 1.3;
}

.user-permission-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.role-tag {
  font-weight: 600;
  text-transform: capitalize;
}

.role-tag.role-owner { background: #1a472e; color: #fff; }
.role-tag.role-admin { background: #1e5c8c; color: #fff; }
.role-tag.role-vip { background: #8c6d1e; color: #fff; }
.role-tag.role-specialist { background: #5c3d8f; color: #fff; }
.role-tag.role-member { background: var(--accent); color: #fff; }
.role-tag.role-none { background: var(--muted); color: #fff; }

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

.permission-details {
  margin-bottom: 10px;
}

.permission-toggle {
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  padding: 8px 0;
  user-select: none;
}

.permission-toggle:hover {
  color: var(--text);
}

.permission-option.from-role {
  background: #e7f3ea;
  border-color: #c8e0ce;
}

.permission-option.from-role span {
  color: var(--accent-dark, #1a472e);
}

.field-wide {
  grid-column: 1 / -1;
}

/* ───── Bottom nav ───── */

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 6px 6px calc(6px + var(--safe-bottom));
  background: rgba(242, 239, 232, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  z-index: 10;
}

.bottom-nav-btn {
  background: #fff;
  font-size: 13px;
  min-height: 48px;
  border-radius: 12px;
  padding: 6px 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  line-height: 1.1;
  transition: background var(--transition), border-color var(--transition);
}

.bottom-nav-btn:focus,
.bottom-nav-btn:hover {
  outline: none;
  border-color: var(--accent);
  background: var(--accent-soft);
}

.bottom-nav-btn.is-active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.nav-bell-btn {
  position: relative;
  gap: 4px;
}

.nav-bell-icon {
  font-size: 15px;
  line-height: 1;
}

.nav-bell-label {
  display: inline-block;
}

.nav-badge {
  position: absolute;
  top: 4px;
  right: 6px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #da3d43;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.16);
}

/* ───── Modals ───── */

.modal-shell {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: stretch;
  justify-content: center;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px 6px max(8px, var(--bottom-nav-clearance));
}

.modal-shell[hidden] {
  display: none !important;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(30, 28, 24, 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.detail-panel,
.upload-panel {
  position: relative;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  max-height: calc(100vh - 20px);
  max-height: calc(100dvh - 20px);
  padding: 14px 12px;
  box-shadow: var(--shadow-lg);
}

.detail-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.detail-top h2 {
  margin: 0;
  font-size: 1.05rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.close-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  flex-shrink: 0;
}

.close-btn:hover {
  background: #fde8e0;
  border-color: var(--warn);
  color: var(--warn);
}

/* ───── Detail modal ───── */

.detail-body {
  display: grid;
  gap: 16px;
}

.detail-hero {
  display: grid;
  gap: 12px;
}

.detail-side {
  display: none;
}

.detail-category {
  display: none;
}

.detail-side-actions {
  display: grid;
  gap: 6px;
}

.detail-side-btn {
  width: 100%;
  justify-content: flex-start;
  font-size: 14px;
  min-height: 44px;
}

.detail-preview-wrap {
  display: grid;
  gap: 6px;
}

.detail-search-mark {
  display: none;
}

.detail-preview {
  min-height: 180px;
  max-height: 300px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #f8f5ec 0%, #eee9dc 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-copy h3 {
  margin: 4px 0;
  font-size: 1.15rem;
}

.detail-type {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.detail-text {
  margin: 0 0 8px;
  line-height: 1.55;
  font-size: 14px;
}

.detail-meta {
  margin: 2px 0 6px;
  font-size: 12px;
  color: var(--muted);
}

.tag-keyword {
  background: #f0f0f0;
  color: #555;
  font-size: 11px;
}

.detail-actions {
  gap: 6px;
  flex-direction: column;
}

.detail-actions .primary-btn,
.detail-actions .secondary-btn {
  flex: 1 1 100%;
  min-width: 0;
  font-size: 14px;
  padding: 10px 12px;
  text-align: center;
  justify-content: center;
}

.discussion-section {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

.discussion-section .simple-item {
  padding: 10px 12px;
}

.discussion-section .simple-item strong {
  font-size: 13px;
  color: var(--accent);
}

.discussion-section .simple-item span {
  font-size: 14px;
  line-height: 1.5;
}

.comment-form {
  display: grid;
  gap: 8px;
}

/* ───── Upload modal ───── */

.upload-form {
  gap: 0;
}

.upload-section {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
}

.upload-section:first-child {
  padding-top: 0;
}

.upload-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.upload-section-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.upload-fields {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.upload-preview-wrap {
  display: grid;
  gap: 8px;
}

.upload-preview-frame {
  min-height: 140px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #faf8f2 0%, #f0ede4 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}

.upload-preview-frame:has(img) {
  border-style: solid;
  border-color: var(--border-light);
}

.upload-preview-frame .preview-image {
  padding: 8px;
}

.preview-placeholder {
  padding: 20px;
}

.preview-placeholder p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ───── Toast ───── */

.toast-root {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: calc(70px + var(--safe-bottom));
  z-index: 30;
  display: grid;
  gap: 6px;
  pointer-events: none;
}

.toast {
  padding: 12px 14px;
  border-radius: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: toast-in 0.25s ease;
  pointer-events: auto;
  text-align: center;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toast.ok {
  background: var(--ok);
}

.toast.err {
  background: var(--warn);
}

/* ───── Table ───── */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.admin-table th,
.admin-table td {
  padding: 10px 6px;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
  font-size: 13px;
}

/* ═══════════════════════════════════════════
   Responsive: ≥ 400px (larger phones)
   ═══════════════════════════════════════════ */

@media (min-width: 400px) {
  .resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .resource-card-hit {
    display: block;
    grid-template-columns: none;
  }

  .resource-thumb {
    aspect-ratio: 4 / 3;
  }

  .resource-card-body {
    padding: 12px 14px;
  }

  .thumb-fallback span {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .app-shell {
    padding: 12px 12px 110px;
  }

  .resource-card-actions {
    grid-template-columns: 1fr 1fr;
  }
}

/* ═══════════════════════════════════════════
   Responsive: ≥ 600px (tablet portrait)
   ═══════════════════════════════════════════ */

@media (min-width: 600px) {
  .app-shell {
    padding: 16px 16px 110px;
  }

  .app-header {
    padding: 18px 18px;
  }

  .section-block {
    padding: 20px 18px;
  }

  .tile-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tile-grid-small {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .category-tile {
    min-height: 72px;
    padding: 14px 14px;
    font-size: 0.95rem;
  }

  .upload-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .search-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-panel {
    padding: 20px 18px;
  }

  .modal-shell {
    padding: 20px 14px;
  }

  .detail-panel,
  .upload-panel {
    padding: 20px 18px;
  }

  .search-actions {
    grid-template-columns: 1fr 1fr;
  }

  .detail-top h2 {
    font-size: 1.2rem;
  }

  .permission-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toast-root {
    left: auto;
    right: 14px;
    max-width: 340px;
  }

  .toast {
    text-align: left;
  }

  #auth-panels.profile-grid:not([hidden]) {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
  }

  #auth-panels .card-panel + .card-panel {
    margin-top: 0;
  }

  .section-actions,
  .profile-actions,
  .detail-actions {
    width: auto;
  }

  .section-actions > *,
  .profile-actions > *,
  .detail-actions > * {
    flex: 0 1 auto;
  }
}

/* ═══════════════════════════════════════════
   Responsive: ≥ 760px (tablet landscape / desktop)
   ═══════════════════════════════════════════ */

@media (min-width: 760px) {
  .app-shell {
    padding: 20px 20px 100px;
  }

  .app-header {
    padding: 20px 18px;
  }

  .section-block {
    padding: 24px 20px;
  }

  .section-head h2,
  .panel-title {
    font-size: 1.3rem;
  }

  .resource-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .resource-card-body h3 {
    font-size: 0.95rem;
  }

  .search-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .user-permission-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-hero {
    grid-template-columns: 150px minmax(260px, 1fr) minmax(0, 1fr);
  }

  .detail-side {
    display: grid;
    gap: 10px;
    align-content: start;
  }

  .detail-category {
    display: flex;
    min-height: 50px;
    align-items: center;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: #e9eef8;
    border: 1px solid #c6d1e8;
    font-size: 0.95rem;
    font-weight: 700;
    color: #4f6bb9;
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }

  .detail-preview {
    min-height: 240px;
    max-height: none;
  }

  .detail-copy h3 {
    font-size: 1.3rem;
  }

  .detail-text {
    font-size: 15px;
  }

  .upload-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-panel {
    padding: 24px;
  }

  .bottom-nav-btn {
    font-size: 14px;
    min-height: 50px;
    white-space: nowrap;
  }

  .tag, .chip {
    min-height: 30px;
    padding: 4px 10px;
    font-size: 12px;
  }

  .profile-top-actions {
    width: auto;
  }

  .profile-top-actions .secondary-btn,
  .verify-actions .secondary-btn {
    width: auto;
  }

  .messages-layout {
    grid-template-columns: minmax(280px, 340px) 1fr;
    align-items: start;
  }

  .messages-conversations-panel,
  .messages-thread-panel {
    min-height: 70vh;
  }

  .messages-conversation-list {
    max-height: calc(70vh - 180px);
    overflow-y: auto;
  }

  .messages-thread-list {
    max-height: calc(70vh - 250px);
  }

  .messages-back-btn {
    display: none;
  }
}

@media (max-width: 759px) {
  .app-shell {
    padding: 10px 10px max(108px, var(--bottom-nav-clearance));
  }

  .app-header {
    gap: 12px;
  }

  .top-action {
    min-height: 44px;
  }

  .modal-shell {
    padding: 0 0 max(12px, var(--bottom-nav-clearance));
  }

  .detail-panel,
  .upload-panel {
    min-height: 100vh;
    min-height: 100dvh;
    max-height: none;
    border-radius: 0;
    border-left: none;
    border-right: none;
    padding: 14px 12px calc(22px + var(--safe-bottom));
  }

  .detail-top {
    position: sticky;
    top: 0;
    background: var(--panel);
    z-index: 2;
  }

  .detail-preview {
    min-height: 160px;
  }

  .messages-layout {
    min-height: calc(100vh - 170px);
    min-height: calc(100dvh - 170px);
  }

  .messages-conversations-panel,
  .messages-thread-panel {
    min-height: calc(100vh - 170px);
    min-height: calc(100dvh - 170px);
  }

  .messages-layout.mobile-thread-open #messages-conversations-panel {
    display: none;
  }
  .messages-layout.mobile-thread-open #messages-thread-panel {
    display: grid;
  }
  .messages-layout:not(.mobile-thread-open) #messages-thread-panel {
    display: none;
  }
  .messages-layout.mobile-thread-open .messages-back-btn {
    display: inline-flex;
  }
  .messages-thread-topbar {
    position: sticky;
    top: 0;
    background: var(--panel);
    z-index: 2;
  }
  .messages-thread-list {
    min-height: calc(100vh - 390px);
    min-height: calc(100dvh - 390px);
    max-height: calc(100vh - 390px);
    max-height: calc(100dvh - 390px);
    padding-bottom: 132px;
  }
  .message-stack {
    max-width: 90%;
  }
  .messages-thread-actions,
  .messages-composer-actions .primary-btn,
  .messages-composer-actions .secondary-btn {
    width: 100%;
  }
  .messages-composer-actions {
    justify-content: stretch;
  }
  .messages-composer-shell {
    position: sticky;
    bottom: calc(82px + var(--safe-bottom));
    margin-bottom: calc(-74px - var(--safe-bottom));
    padding-bottom: calc(82px + var(--safe-bottom));
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14) 0%, rgba(255, 255, 255, 0.98) 18%);
  }
  .message-emoji-picker,
  .message-image-preview {
    margin-bottom: 4px;
  }
  .share-resource-summary-card {
    grid-template-columns: 1fr;
  }

  .profile-top {
    gap: 14px;
  }

  .verify-actions .secondary-btn,
  .profile-top-actions .secondary-btn,
  .profile-actions .primary-btn {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .app-shell {
    padding-left: 8px;
    padding-right: 8px;
  }

  .app-header,
  .section-block,
  .card-panel {
    border-radius: 16px;
  }

  .section-block {
    padding: 14px 10px;
  }

  .resource-card-hit {
    grid-template-columns: 88px 1fr;
  }

  .resource-card-body {
    padding: 10px 10px 8px;
  }

  .resource-card-actions {
    padding: 0 10px 10px;
  }

  .messages-thread-list {
    min-height: calc(100vh - 448px);
    min-height: calc(100dvh - 448px);
    max-height: calc(100vh - 448px);
    max-height: calc(100dvh - 448px);
  }

  .bottom-nav {
    gap: 6px;
    padding-left: 4px;
    padding-right: 4px;
  }

  .bottom-nav-btn {
    font-size: 12px;
    min-height: 50px;
    padding: 6px 2px;
  }
}

@media (max-width: 390px) {
  .top-status {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .status-pill {
    grid-column: 1 / -1;
    justify-content: center;
  }

  .detail-copy h3 {
    font-size: 1.05rem;
  }

  .field input,
  .field textarea,
  .field select,
  .primary-btn,
  .secondary-btn,
  .top-action {
    font-size: 15px;
  }
}

@media (max-width: 360px) {
  .resource-card-hit {
    grid-template-columns: 78px 1fr;
  }

  .messages-thread-topbar {
    gap: 8px;
  }

  .messages-avatar {
    width: 40px;
    height: 40px;
  }

  .messages-avatar.small {
    width: 34px;
    height: 34px;
  }

  .messages-thread-actions .secondary-btn,
  .messages-composer-actions .primary-btn {
    min-height: 44px;
    padding-left: 10px;
    padding-right: 10px;
  }
}

@media (max-width: 320px) {
  .top-status {
    grid-template-columns: 1fr;
  }

  .resource-card-hit {
    grid-template-columns: 1fr;
  }

  .resource-thumb {
    aspect-ratio: 4 / 3;
  }

  .detail-top h2 {
    font-size: 1rem;
  }
}

/* ═══════════════════════════════════════════
   Profile grid
   ═══════════════════════════════════════════ */

.profile-grid {
  gap: 14px;
}

/* ═══════════════════════════════════════════
   Wiki-like layout refresh
   ═══════════════════════════════════════════ */

:root {
  --bg: #f6f6f6;
  --panel: #ffffff;
  --panel-alt: #f8f9fa;
  --border: #c8ccd1;
  --border-light: #eaecf0;
  --text: #202122;
  --muted: #4d5156;
  --accent: #3366cc;
  --accent-soft: #eaf2ff;
  --accent-hover: #254ea8;
  --ok: #2f6f44;
  --ok-soft: #e8f3ec;
  --warn: #8a6d1f;
  --shadow: none;
  --shadow-lg: none;
  --radius: 10px;
  --radius-sm: 8px;
}

.app-shell {
  max-width: 1240px;
  padding: 12px 14px var(--bottom-nav-clearance);
}

.app-header,
.section-block,
.card-panel,
.detail-panel,
.upload-panel {
  border-radius: 10px;
  box-shadow: none;
}

.app-header {
  position: static;
  border-bottom: 2px solid var(--border);
  background: var(--panel);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.app-title {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.app-subtitle {
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.section-block {
  padding: 18px 16px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.section-head h2,
.panel-title {
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.tile-group-title,
.field span {
  font-size: 11px;
  letter-spacing: 0.05em;
}

.category-tile {
  border-radius: 8px;
  border-width: 1px;
  background: #fff;
  box-shadow: none;
  min-height: 64px;
}

.category-tile:hover,
.category-tile:focus {
  box-shadow: none;
}

.resource-grid {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.resource-card {
  border-radius: 8px;
  box-shadow: none;
}

.resource-thumb {
  border-bottom: 1px solid var(--border-light);
  background: #f7f4ed;
}

.messages-layout {
  grid-template-columns: minmax(290px, 340px) 1fr;
  gap: 12px;
}

.messages-conversations-panel,
.messages-thread-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
}

.message-inbox-item,
.message-user-result,
.share-target-row {
  border-radius: 8px;
  box-shadow: none;
}

.message-bubble {
  border-radius: 12px;
}

.bottom-nav {
  left: 0;
  right: 0;
  transform: none;
  width: 100%;
  border-radius: 0;
  border-left: none;
  border-right: none;
  box-shadow: none;
  background: #f3efe6;
}

.bottom-nav-btn {
  border-radius: 8px;
}

/* ═══════════════════════════════════════════
   UI polish pass
   ═══════════════════════════════════════════ */

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
}

.btn-icon,
.nav-icon,
.top-action-icon {
  width: 18px;
  height: 18px;
}

.app-shell {
  max-width: 1180px;
  padding: 18px 18px 110px;
}

.app-header {
  position: sticky;
  top: 10px;
  z-index: 8;
  padding: 16px 18px;
  gap: 16px;
  align-items: center;
  border-color: rgba(200, 204, 209, 0.92);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.app-title {
  font-size: clamp(1.45rem, 2.4vw, 2.35rem);
}

.app-subtitle {
  margin-top: 4px;
  font-size: 13px;
}

.top-status {
  width: auto;
  flex: 0 1 auto;
  margin-left: auto;
  gap: 8px;
}

.top-user-search-shell,
.messages-search-shell {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.top-user-search-shell input,
.messages-search-shell input,
#share-resource-search {
  padding-left: 40px;
}

.top-action,
.secondary-btn,
.primary-btn,
.close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.top-action {
  flex: 0 0 auto;
  min-width: 0;
  padding: 8px 13px;
  border-radius: 12px;
  white-space: nowrap;
}

.top-bell-btn {
  width: 42px;
  height: 42px;
  padding: 0;
}

.top-avatar-btn {
  padding-right: 14px;
}

.top-avatar-btn .messages-avatar {
  flex-shrink: 0;
}

.status-pill {
  min-height: 38px;
  padding: 7px 12px;
}

.section-block,
.card-panel,
.detail-panel,
.upload-panel {
  border-radius: 20px;
  background: #fff;
}

.section-block {
  margin-top: 16px;
  padding: 22px 20px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2,
.panel-title {
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.panel-subtitle,
.small-note {
  line-height: 1.5;
}

.tile-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.tile-grid-small {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.category-tile {
  min-height: 78px;
  padding: 14px 16px;
  gap: 12px;
  align-items: center;
  border-width: 1px;
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
  box-shadow: 0 1px 3px rgba(32, 33, 34, 0.08);
  border-left: 4px solid #a2c2ff;
}

.category-tile::before {
  display: none;
}

.category-tile-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--panel-alt);
  border: 1px solid var(--border-light);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.category-tile-icon .icon,
.notification-icon .icon {
  width: 18px;
  height: 18px;
}

.category-tile-copy {
  display: block;
  font-weight: 700;
  line-height: 1.35;
}

.search-grid,
.profile-grid,
.admin-grid {
  gap: 14px;
}

.search-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.profile-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  gap: 6px;
}

.field span {
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.field input,
.field textarea,
.field select {
  min-height: 50px;
  border-radius: 12px;
  border-color: var(--border-light);
}

.card-panel {
  padding: 18px 18px;
}

.profile-grid-wrap {
  gap: 18px;
}

.profile-top {
  align-items: stretch;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--border-light);
  border-radius: 18px;
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
}

.profile-top > div:first-child {
  flex: 1 1 320px;
}

.profile-top-actions {
  width: auto;
  align-content: flex-start;
  justify-content: flex-end;
}

.profile-top-actions .secondary-btn {
  width: auto;
}

.profile-avatar-wrap {
  margin-top: 14px;
}

.profile-avatar-hit {
  position: relative;
  width: 96px;
  height: 96px;
  overflow: hidden;
}

.profile-avatar-fallback {
  position: absolute;
  inset: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--border-light);
  color: var(--accent);
  font-weight: 700;
  font-size: 2rem;
}

.profile-avatar-img {
  width: 96px;
  height: 96px;
  border-radius: 999px;
  object-fit: cover;
  position: relative;
  z-index: 1;
  background: transparent;
}

.profile-avatar-img[hidden] {
  display: none !important;
}

.profile-avatar-hit {
  border: none;
  padding: 0;
  background: transparent;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.profile-avatar-hit:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.profile-avatar-actions {
  display: grid;
  gap: 6px;
  align-content: start;
}

.verify-actions .secondary-btn {
  width: auto;
}

.resource-grid {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.resource-card {
  border-radius: 18px;
  border-color: rgba(200, 204, 209, 0.9);
  box-shadow: 0 1px 3px rgba(32, 33, 34, 0.06);
}

.resource-card-hit {
  grid-template-columns: 1fr;
  align-items: stretch;
}

.resource-thumb {
  aspect-ratio: 4 / 3;
  min-height: 168px;
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(180deg, #fbfcfe 0%, #eff3f8 100%);
}

.resource-card-body {
  padding: 14px 14px 8px;
  display: grid;
  gap: 6px;
}

.resource-card-body h3 {
  font-size: 0.98rem;
  -webkit-line-clamp: 3;
}

.resource-type {
  margin: 0;
}

.resource-card-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 0 14px 14px;
}

.resource-card-actions .secondary-btn,
.resource-card-actions .primary-btn {
  min-height: 40px;
  padding: 8px 10px;
}

.empty-card {
  padding: 36px 22px;
  border-radius: 18px;
}

.empty-card-icon {
  width: 58px;
  height: 58px;
  font-size: 0;
  color: var(--accent);
}

.empty-card-icon .icon,
.messages-empty-icon .icon {
  width: 26px;
  height: 26px;
}

.messages-layout {
  grid-template-columns: minmax(300px, 340px) minmax(0, 1fr);
  gap: 16px;
  min-height: 70vh;
}

.messages-conversations-panel,
.messages-thread-panel {
  min-height: 70vh;
}

.messages-conversations-panel {
  grid-template-rows: auto auto auto 1fr;
}

.messages-thread-panel {
  grid-template-rows: auto 1fr;
  min-height: 0;
}

.messages-thread-topbar {
  padding-bottom: 14px;
  margin-bottom: 2px;
}

.messages-thread-list {
  min-height: 0;
  max-height: none;
  height: 100%;
  padding-right: 8px;
  padding-bottom: 24px;
}

.messages-empty-state {
  min-height: 100%;
  border-radius: 18px;
}

.messages-thread-wrap {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: 0;
}

.messages-empty-icon {
  width: 64px;
  height: 64px;
  font-size: 0;
  color: var(--accent);
}

.messages-composer-shell {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.98) 22%);
  padding-top: 12px;
  padding-bottom: 8px;
  border-top: 1px solid rgba(200, 204, 209, 0.72);
  z-index: 3;
}

.messages-composer-actions {
  justify-content: space-between;
  align-items: center;
}

.messages-composer-shell .field textarea,
.messages-composer-shell textarea {
  min-height: 64px;
  max-height: 220px;
  line-height: 1.5;
  padding-top: 12px;
  padding-bottom: 12px;
}

.forum-sidebar,
.forum-thread-detail-panel {
  min-width: 0;
}

.wiki-meta-card,
.message-inbox-item,
.message-user-result,
.share-target-row,
.simple-item,
.forum-thread-card {
  border-color: var(--border-light);
  background: #fff;
}

.forum-thread-card.is-active,
.message-inbox-item.is-active,
.notification-item.is-unread {
  background: #edf3ff;
  border-color: #b8c7e6;
}

.notification-icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  font-size: 0;
}

.bottom-nav {
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: min(720px, calc(100vw - 20px));
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(200, 204, 209, 0.92);
  border-radius: 18px 18px 0 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 -4px 14px rgba(32, 33, 34, 0.06);
}

.bottom-nav-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 58px;
  border-radius: 14px;
  padding: 8px 6px;
  background: transparent;
  border-color: transparent;
  font-size: 12px;
  font-weight: 700;
}

.nav-icon {
  width: 19px;
  height: 19px;
}

.close-btn {
  width: 40px;
  min-height: 40px;
  padding: 0;
}

@media (max-width: 960px) {
  .app-shell {
    max-width: 100%;
    padding-left: 14px;
    padding-right: 14px;
  }

  .app-header {
    top: 8px;
    padding: 14px;
  }

  .top-status {
    width: 100%;
  }

  .community-layout,
  .messages-layout,
  .forum-layout {
    grid-template-columns: 1fr;
  }

  .search-grid,
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .messages-conversations-panel,
  .messages-thread-panel {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 10px 10px max(102px, var(--bottom-nav-clearance));
  }

  .app-header {
    position: static;
    gap: 12px;
  }

  .top-status {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
  }

  .status-pill {
    grid-column: 1 / -1;
    justify-content: center;
  }

  .top-user-search-shell {
    grid-column: 1 / -1;
  }

  .top-action {
    width: 100%;
    justify-content: center;
  }

  .top-bell-btn,
  .top-avatar-btn {
    width: auto;
  }

  .section-block,
  .card-panel {
    padding: 16px 14px;
  }

  .community-compose-actions,
  .community-post-head,
  .forum-detail-card-header,
  .community-post-footer {
    align-items: stretch;
  }

  .resource-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .resource-card-actions {
    grid-template-columns: 1fr;
  }

  .profile-top {
    padding: 14px;
  }

  .profile-top-actions,
  .verify-actions {
    width: 100%;
  }

  .profile-top-actions .secondary-btn,
  .verify-actions .secondary-btn,
  .profile-actions .primary-btn {
    width: 100%;
  }

  .messages-thread-list {
    padding-bottom: 188px;
  }

  .messages-composer-shell {
    bottom: calc(78px + var(--safe-bottom));
    padding-bottom: 10px;
  }

  .community-compose-actions > .primary-btn,
  .community-post-head > .secondary-btn,
  .forum-detail-delete-wrap .secondary-btn {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .bottom-nav {
    width: calc(100vw - 12px);
    gap: 4px;
    padding: 6px;
  }

  .bottom-nav-btn {
    min-height: 54px;
    gap: 4px;
    font-size: 10px;
    padding: 6px 2px;
  }

  .bottom-nav-btn span:last-child {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.01em;
  }

  .nav-icon {
    width: 17px;
    height: 17px;
  }

  .messages-thread-list {
    padding-bottom: 204px;
  }

  .messages-composer-shell {
    bottom: calc(72px + var(--safe-bottom));
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 10000;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  left: 12px;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site-footer {
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 14px 28px;
  text-align: center;
}
.site-footer-license {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}
.site-footer-license a {
  color: var(--accent);
}

.taxonomy-form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: 12px;
}
.taxonomy-editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0;
}
.taxonomy-editor-card textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}
.taxonomy-manage-panel {
  max-width: 760px;
}
.taxonomy-manage-sections {
  display: grid;
  gap: 16px;
}

.signup-license-note a {
  color: var(--accent);
}