/* Tabler card, list-group, empty and chat component measurements. */
.support-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(220px, 1fr) auto;
  align-items: center;
  gap: 4px 24px;
  margin-bottom: 20px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.support-toolbar label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.support-toolbar label:first-child { grid-column: 1; grid-row: 1; }
.support-toolbar label:last-of-type { grid-column: 2; grid-row: 1; }
.support-toolbar :is(.admin-select-trigger, .select-input) { width: 120px; }
.support-toolbar input[type="checkbox"] { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); flex: none; cursor: pointer; }
#supportPresenceNote { grid-column: 1; grid-row: 2; }
#supportAINote { grid-column: 2; grid-row: 2; }
#supportRefresh { grid-column: 3; grid-row: 1 / 3; }
#supportPresenceNote, #supportAINote { color: var(--muted); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
#supportError { margin: 0; color: var(--danger); font-size: 14px; line-height: 1.4285714; overflow-wrap: anywhere; }
#supportError:not(:empty) { margin-bottom: 12px; }

#view-support .support-workspace {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  height: max(560px, calc(100dvh - 268px));
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.support-sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 20px 0 0;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.support-sidebar :is(input, select, .admin-select-trigger) { width: calc(100% - 40px); margin: 0 20px 12px; flex: none; }
#supportList { display: flex; flex: 1; flex-direction: column; gap: 0; min-height: 0; padding: 0; border-top: 1px solid var(--line); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
#supportList > p { margin: 0; padding: 48px 20px; color: var(--muted); font-size: 14px; line-height: 1.4285714; text-align: center; }

.support-item {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  gap: 4px;
  padding: 16px 20px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.support-item:hover { background: var(--surface-2); }
.support-item.selected { border-color: var(--line); background: var(--accent-dim); }
.support-item-heading { display: flex; align-items: flex-start; gap: 8px; width: 100%; min-width: 0; }
.support-item-heading strong { flex: 1; min-width: 0; color: var(--heading); font-size: 14px; font-weight: 500; line-height: 1.4285714; overflow-wrap: anywhere; }
.support-unread { flex: none; min-width: 20px; padding: 3px 6px; border: 1px solid transparent; border-radius: var(--control-radius); background: var(--accent-fill, var(--accent)); color: #fff; font-size: 12px; font-weight: 500; line-height: 1; text-align: center; font-variant-numeric: tabular-nums; }
.support-item > span { width: 100%; color: var(--muted); font-size: 13px; line-height: 1.5; white-space: normal; overflow-wrap: anywhere; }
.support-item small { color: var(--muted); font-size: 12px; line-height: 1.4285714; }
.support-pagination { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 0; padding: 12px 20px; border-top: 1px solid var(--line); background: var(--surface-2); }
.support-pagination button { padding-inline: 12px; font-size: 12px; }
.support-pagination small { grid-column: 1 / -1; color: var(--muted); font-size: 12px; text-align: center; line-height: 1.4285714; font-variant-numeric: tabular-nums; }

.support-room { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--surface); }
.support-room[hidden], .support-empty[hidden] { display: none !important; }
.support-empty { display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 48px; text-align: center; }
.support-empty h2 { margin: 0 0 8px; color: var(--heading); font-size: 20px; font-weight: 600; line-height: 1.4; }
.support-empty p { margin: 0 0 8px; color: var(--muted); font-size: 14px; line-height: 1.4285714; }
.support-room-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; flex: none; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.support-room-header > div:first-child { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 4px 16px; flex: 1 1 100%; min-width: 0; }
.support-room h2 { margin: 0 0 4px; color: var(--heading); font-size: 16px; font-weight: 500; line-height: 1.5; overflow-wrap: anywhere; }
.support-room-status { color: var(--muted); font-size: 12px; line-height: 1.4285714; }
.support-room-actions { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; max-width: 100%; }
.support-room-actions button { min-height: 32px; padding: 6px 10px; font-size: 12px; line-height: 18px; }
#supportHint { flex: none; margin: 0; padding: 10px 20px; border-bottom: 1px solid var(--line); background: var(--surface-2); color: var(--muted); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }

.support-messages { display: flex; flex: 1; flex-direction: column; gap: 16px; min-height: 0; padding: 20px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.support-message { align-self: flex-start; max-width: min(88%, 70ch); min-width: 0; padding: 16px; border: 0; border-radius: var(--radius-panel); background: var(--surface-2); font-size: 14px; }
.support-message.admin { align-self: flex-end; background: var(--accent-dim); }
.support-message.ai { background: var(--surface-2); }
.support-message small { display: block; margin-bottom: 4px; color: var(--muted); font-size: 12px; line-height: 1.4285714; }
.support-message p { margin: 0; color: var(--text); line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
.support-compose { display: grid; grid-template-columns: minmax(0, 1fr) 120px; align-items: end; gap: 16px; flex: none; padding: 16px 20px; border-top: 1px solid var(--line); background: var(--surface); }
.support-compose textarea { width: 100%; height: 92px; min-height: 72px; max-height: 180px; margin: 0; padding: 9px 12px; resize: vertical; font: inherit; font-size: 14px; line-height: 1.6; }
.support-compose-actions { display: flex; flex-direction: column; align-items: stretch; justify-content: flex-end; gap: 12px; margin: 0; }
.support-compose-actions small { color: var(--muted); font-size: 12px; line-height: 1.5; }
.support-compose-actions button { min-width: 100px; }

@media (max-width: 1200px) {
  #view-support .support-workspace { grid-template-columns: 280px minmax(0, 1fr); }
  .support-room-header, .support-compose { padding-inline: 20px; }
  .support-messages { padding: 20px; }
  #supportHint { padding-inline: 20px; }
}

@media (max-width: 800px) {
  #view-support .support-workspace { grid-template-columns: minmax(0, 1fr); height: auto; }
  .support-sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  #supportList { flex-basis: auto; max-height: 210px; }
  .support-pagination { grid-template-columns: auto auto minmax(0, 1fr); align-items: center; }
  .support-pagination small { grid-column: auto; text-align: right; }
  .support-room { height: clamp(600px, calc(100dvh - 96px), 760px); }
  .support-empty { padding-block: 48px; }
  .support-toolbar { gap: 8px 16px; padding: 20px; }
}

@media (max-width: 700px) {
  .support-toolbar { grid-template-columns: minmax(0, 1fr) auto; }
  .support-toolbar label:first-child { flex-wrap: wrap; }
  .support-toolbar label:last-of-type { grid-column: 1 / -1; grid-row: 3; margin-top: 4px; min-height: 32px; }
  #supportPresenceNote { grid-column: 1 / -1; grid-row: 2; }
  #supportAINote { grid-column: 1 / -1; grid-row: 4; }
  #supportRefresh { grid-column: 2; grid-row: 1; }
}

@media (max-width: 600px) {
  .support-sidebar { padding: 16px 0 0; }
  .support-sidebar :is(input, select, .admin-select-trigger) { width: calc(100% - 32px); margin-inline: 16px; }
  .support-item { padding-inline: 16px; }
  .support-sidebar :is(input, .admin-select-trigger), .support-compose textarea { font-size: 16px; }
  .support-pagination { grid-template-columns: 1fr 1fr; padding-inline: 16px; }
  .support-pagination small { grid-column: 1 / -1; text-align: center; }
  .support-room-header, .support-compose { padding: 16px; }
  .support-room-header > div:first-child { flex-basis: 100%; }
  .support-room-actions { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 8px; }
  .support-room-actions button { min-width: 0; min-height: 44px; }
  .support-messages { padding: 20px 16px; }
  .support-message { max-width: 94%; padding: 16px; }
  .support-empty { padding-inline: 16px; }
  #supportHint { padding: 12px 16px; }
  .support-compose { display: block; }
  .support-compose-actions { flex-direction: row; align-items: flex-end; justify-content: space-between; margin-top: 12px; }
  .support-compose-actions small { max-width: 16ch; }
  .support-compose-actions button { min-width: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  .support-item { transition: none; }
}