.support-root {
  --support-paper: var(--paper, #fff);
  --support-line: var(--line, #dfe5ee);
  --support-muted: var(--muted, #64748b);
  --support-blue: var(--blue, #244bd6);
  --support-soft: var(--soft, #edf2ff);
  --support-chat: #f6f8fc;
  --support-own-line: #cbd9ff;
  color: inherit;
  font: inherit;
  min-width: 0;
}
.support-root * { box-sizing: border-box; }
.support-root [hidden] { display: none !important; }
.support-root :is(button, input, select, textarea) { font: inherit; }
.support-root button {
  cursor: pointer;
  min-height: 44px;
  border: 1px solid var(--support-line);
  border-radius: 9px;
  padding: 9px 13px;
  background: var(--support-paper);
  color: inherit;
}
.support-root button:disabled { opacity: .5; cursor: default; }
.support-root button.support-primary { background: #244bd6; border-color: #244bd6; color: #fff; }
.support-root :is(input, select, textarea) {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--support-line);
  border-radius: 9px;
  padding: 10px 12px;
  background: var(--support-paper);
  color: inherit;
  font-size: 16px;
}
.support-root textarea { resize: vertical; min-height: 120px; line-height: 1.7; }
.support-root :is(button, input, select, textarea, summary, [tabindex]):focus-visible { outline: 3px solid #9cb8ff; outline-offset: 2px; }
.support-root h2 { font-size: 19px; line-height: 1.45; margin: 0 0 10px; }
.support-root h3 { font-size: 16px; margin: 0 0 10px; }
.support-root p { margin: 0 0 12px; }

/* Queue and project selection retain normal page flow. */
.support-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.support-toolbar h2 { flex: 1; margin: 0; }
.support-filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.support-field { display: flex; flex-direction: column; gap: 6px; margin: 13px 0; font-size: 14px; min-width: 0; }
.support-layout { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 20px; align-items: start; min-height: 0; }
.support-card { background: var(--support-paper); border: 1px solid var(--support-line); border-radius: 14px; padding: 20px; min-width: 0; }
.support-ticket-list { display: grid; gap: 9px; }
.support-ticket { width: 100%; text-align: left; overflow-wrap: anywhere; }
.support-ticket[aria-pressed="true"] { background: var(--support-soft); border-color: var(--support-blue); }
.support-ticket strong, .support-ticket small { display: block; }
.support-ticket small { margin-top: 6px; font-size: 12px; color: var(--support-muted); }
.support-ticket-status { display: inline-block; background: var(--support-soft); color: var(--support-blue); border-radius: 6px; padding: 2px 8px; font-size: 12px; margin-top: 7px; }
.support-pager { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 15px; font-size: 12px; color: var(--support-muted); }
.support-pager button { font-size: 12px; padding: 8px 10px; }
.support-muted { font-size: 13px; color: var(--support-muted); }
.support-empty { padding: 18px 0; color: var(--support-muted); }
.support-notice { padding: 11px 14px; margin-bottom: 14px; border: 1px solid var(--support-line); border-radius: 8px; background: var(--support-soft); font-size: 14px; overflow-wrap: anywhere; }
.support-notice:empty { display: none; }
.support-notice.support-error { color: #a62828; background: #fff2f2; border-color: #f1cccc; }
.support-detail-heading { overflow-wrap: anywhere; }
.support-customer .support-layout { grid-template-columns: minmax(0, 1fr); }
.support-index .support-layout, .support-fixed-project .support-filters { grid-template-columns: minmax(0, 1fr); }
.support-customer.support-has-detail .support-list-pane { display: none; }
.support-root .support-back { font-size: 13px; }
.support-staff:not(.support-has-detail) .support-detail-pane { min-height: 180px; }
.support-root .support-button-row { display: flex; gap: 10px; flex-wrap: wrap; }
.support-refresh-detail { margin-left: auto; font-size: 13px !important; }

/* Only messages scroll. Attachments and errors can grow the panel naturally,
   keeping the composer below the thread without clipping either region. */
.support-conversation > .support-toolbar { display: none; }
.support-staff.support-conversation > .support-filters { display: none; }
.support-conversation .support-detail-pane { display: flex; flex-direction: column; min-height: 0; padding: 0; }
.support-chat-head { flex: 0 0 auto; min-width: 0; padding: 6px 14px; }
.support-chat-head .support-toolbar { margin-bottom: 4px; }
.support-chat-head .support-detail-heading h2 { display: inline; margin: 0 10px 0 0; font-size: 17px; }
.support-chat-head .support-ticket-status { margin: 0 10px 0 0; vertical-align: middle; }
.support-chat-head .support-detail-heading > .support-muted { display: inline; margin: 0; font-size: 12px; }
.support-chat-head .support-detail-heading > .support-muted + .support-muted { display: block; margin-top: 4px; }
.support-conversation .support-detail-heading > .support-muted:first-of-type { display: none; }
.support-chat-head .support-notice { margin: 10px 0 0; }
.support-thread { min-height: 0; }
.support-conversation .support-thread {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  height: clamp(330px, calc(100vh - 390px), 620px);
  height: clamp(330px, calc(100dvh - 390px), 620px);
  min-height: 330px;
  border-block: 1px solid var(--support-line);
  background: var(--support-chat);
}
.support-root .support-read-more { flex: 0 0 auto; align-self: center; min-height: 44px; width: auto; margin: 6px 0 0; padding: 8px 14px; border-color: transparent; background: transparent; color: var(--support-blue); font-size: 13px; }
.support-messages {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 22px 20px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scroll-padding-block: 20px;
}
.support-message {
  flex: 0 0 auto;
  width: fit-content;
  max-width: min(75%, 65ch);
  min-width: 0;
  border: 1px solid var(--support-line);
  border-radius: 16px 16px 16px 4px;
  padding: 11px 15px;
  background: var(--support-paper);
  box-shadow: 0 1px 2px rgb(20 40 70 / 3%);
}
.support-message.support-own { align-self: flex-end; border-color: var(--support-own-line); border-radius: 16px 16px 4px 16px; background: var(--support-soft); }
.support-message-meta { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; font-size: 12px; line-height: 1.5; color: var(--support-muted); margin-bottom: 6px; overflow-wrap: anywhere; }
.support-sender { font-weight: 600; }
.support-time { white-space: nowrap; }
.support-root .support-body { white-space: pre-wrap; overflow-wrap: anywhere; word-break: normal; font-size: 16px; line-height: 1.7; margin: 0; }
.support-root .support-image-count { font-size: 12px; line-height: 1.5; margin: 8px 0 0; color: var(--support-muted); }
.support-day { display: flex; align-items: center; gap: 12px; align-self: stretch; margin: 10px 0 2px; color: var(--support-muted); font-size: 12px; line-height: 1.5; text-align: center; }
.support-day::before, .support-day::after { content: ""; flex: 1; border-top: 1px solid var(--support-line); }
.support-message.support-system { align-self: center; max-width: 90%; padding: 5px 10px; border: 0; border-radius: 0; background: transparent; box-shadow: none; color: var(--support-muted); text-align: center; }
.support-system .support-message-meta { justify-content: center; margin-bottom: 3px; }
.support-root .support-system .support-body { font-size: 13px; line-height: 1.6; }

/* Loading, failed and successful previews share a footprint. */
.support-images { display: grid; grid-template-columns: minmax(0, 1fr); gap: 9px; margin-top: 10px; max-width: 100%; }
.support-root .support-image-button, .support-image-error {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 240px;
  max-width: 100%;
  height: 220px;
  min-height: 220px;
  padding: 6px;
  overflow: hidden;
  border: 1px solid var(--support-line);
  border-radius: 10px;
  background: var(--support-paper);
}
.support-image-button img { display: block; width: 100%; height: 100%; object-fit: contain; }
.support-image-error { font-size: 12px; line-height: 1.6; text-align: center; color: var(--support-muted); overflow-wrap: anywhere; padding: 14px; }
.support-images:has(> :nth-child(2)) { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 420px; }
.support-images:has(> :nth-child(2)) :is(.support-image-button, .support-image-error) { width: 100%; height: 180px; min-height: 180px; }

/* New questions retain a full form; only conversation replies are compact. */
.support-composer { border-top: 1px solid var(--support-line); padding-top: 16px; margin-top: 20px; min-width: 0; }
.support-composer fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.support-conversation .support-composer { flex: 0 0 auto; border-top: 0; padding: 10px 14px; margin: 0; }
.support-conversation .support-composer fieldset {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "body body" "picks picks" "failed failed" "status status" "actions requirements" "hint hint";
  column-gap: 10px;
}
.support-conversation .support-composer fieldset:has(.support-image-requirements[open]) {
  grid-template-areas: "body body" "picks picks" "failed failed" "status status" "actions actions" "requirements requirements" "hint hint";
}
.support-conversation .support-body-field { grid-area: body; }
.support-conversation .support-picks { grid-area: picks; }
.support-conversation .support-failed-picks { grid-area: failed; }
.support-conversation .support-reply-status { grid-area: status; }
.support-conversation .support-composer-actions { grid-area: actions; margin-top: 0; }
.support-conversation .support-image-requirements { grid-area: requirements; align-self: end; margin: 0; }
.support-conversation .support-filename { grid-area: hint; }
.support-conversation .support-composer .support-field { margin: 0 0 6px; gap: 4px; font-size: 12px; }
.support-conversation .support-composer textarea { min-height: 64px; height: 64px; max-height: 240px; padding: 8px 11px; }
.support-root .support-file-field { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.support-composer-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.support-composer-actions .support-primary { margin-left: auto; min-width: 104px; }
.support-root .support-attachment-count { flex: 1; min-width: 0; margin: 0; font-size: 12px; overflow-wrap: anywhere; }
.support-root .support-public-hint { margin: 6px 0 0; font-size: 12px; line-height: 1.6; }
.support-image-requirements { font-size: 12px; line-height: 1.6; color: var(--support-muted); margin: 3px 0; }
.support-image-requirements summary { cursor: pointer; min-height: 44px; width: fit-content; max-width: 100%; padding: 12px 0; }
.support-image-requirements p { margin: 0 0 8px; max-width: 65ch; }
.support-conversation .support-composer .support-reply-status { display: flex; flex-direction: row; align-items: center; gap: 10px; margin: 0 0 4px; }
.support-reply-status select { width: auto; flex: 1; max-width: 220px; }
.support-filename { overflow-wrap: anywhere; }
.support-root .support-filename:empty { display: none; }
.support-root .support-filename { margin: 8px 0 0; font-size: 12px; }
.support-picks { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.support-picks:empty, .support-failed-picks:empty { display: none; }
.support-pick { width: 126px; min-width: 0; border: 1px solid var(--support-line); border-radius: 9px; padding: 6px; }
.support-pick img { width: 112px; height: 78px; object-fit: contain; display: block; }
.support-pick span { display: block; font-size: 11px; line-height: 1.5; color: var(--support-muted); overflow-wrap: anywhere; margin: 5px 0; }
.support-pick button { font-size: 12px; min-height: 44px; width: 100%; padding: 7px; }
.support-failed-picks { margin-top: 10px; }
.support-failed-picks .support-notice { margin-bottom: 8px; }
.support-status-control { flex: 0 0 auto; border-top: 1px solid var(--support-line); padding-top: 12px; margin-top: 14px; }
.support-conversation .support-status-control { border-top: 0; border-bottom: 1px solid var(--support-line); padding: 6px 14px; margin: 0; }
.support-status-control .support-toolbar { align-items: flex-end; margin: 0; }
.support-status-control .support-field { flex: 1; flex-direction: row; align-items: center; margin: 0; gap: 10px; font-size: 12px; }
.support-status-control select { flex: 1; max-width: 230px; width: auto; }
.support-status-control button { flex-shrink: 0; font-size: 13px; }
.support-creating .support-chat-head { padding: 0; }
.support-creating .support-detail-heading h2 { display: block; margin-bottom: 8px; font-size: 19px; }
.support-creating .support-detail-heading > .support-muted { display: block; margin-bottom: 12px; }
.support-creating .support-thread { display: none; }
.support-creating .support-composer { margin-top: 16px; }
.support-creating .support-composer textarea { min-height: 150px; }

/* A long screenshot keeps readable width; its dialog scrolls vertically. */
.support-dialog { width: min(960px, 94vw); max-height: 92vh; max-height: 92dvh; overflow: auto; background: var(--support-paper); color: inherit; border: 1px solid var(--support-line); border-radius: 14px; padding: 0 18px 18px; overscroll-behavior: contain; }
.support-dialog::backdrop { background: rgb(9 20 41 / 72%); }
.support-dialog .support-toolbar { position: sticky; top: 0; z-index: 1; justify-content: space-between; margin: 0 0 14px; padding: 12px 0; background: var(--support-paper); border-bottom: 1px solid var(--support-line); }
.support-dialog img { display: block; width: auto; max-width: 100%; height: auto; max-height: none; margin: 0 auto; }

/* Shell adjustments apply only while the support tab is mounted. */
body:has(#project-support .support-root) > main { margin-top: 18px; margin-bottom: 16px; }
body:has(#project-support .support-root) .welcome { margin-bottom: 14px; }
body:has(#project-support .support-root) .welcome :is(.eyebrow, .muted) { display: none; }
body:has(#project-support .support-root) .welcome h1 { font-size: 21px; margin: 0; }
body:has(#project-support .support-root) #dashboard > .footer { display: none; }
body:has(#project-support .support-conversation) .topbar { padding-top: 12px; padding-bottom: 12px; }
body:has(#project-support .support-conversation) > main { margin-top: 10px; }
body:has(#project-support .support-conversation) .welcome { display: none; }
body:has(#project-support .support-conversation) #project-tabs { margin-bottom: 8px !important; }
body:has(#support-host .support-conversation) .intro { display: none; }
body:has(#support-host .support-conversation) .topbar { padding-top: 12px; padding-bottom: 12px; }
body:has(#support-host .support-conversation) > main { margin-top: 12px; }
.support-staff.support-conversation .support-filters .support-field { margin-top: 0; margin-bottom: 12px; }

@media (max-width: 900px) {
  .support-layout { grid-template-columns: minmax(0, 1fr); }
  .support-staff.support-has-detail .support-list-pane,
  .support-staff:not(.support-has-detail) .support-detail-pane { display: none; }
  .support-card { padding: 17px; }
  .support-filters { gap: 10px; }
  .support-toolbar { gap: 8px; }
  .support-pager { flex-wrap: wrap; }
  .support-staff.support-conversation > .support-filters { display: none; }
}
@media (max-width: 700px) {
  .support-root button { padding: 8px 11px; }
  .support-card { border-radius: 11px; }
  .support-conversation > .support-toolbar { display: none; }
  .support-chat-head { padding: 6px 14px; }
  .support-chat-head .support-toolbar { margin-bottom: 4px; }
  .support-chat-head .support-detail-heading h2 { font-size: 17px; }
  .support-conversation .support-thread { height: clamp(330px, calc(100vh - 410px), 620px); height: clamp(330px, calc(100dvh - 410px), 620px); min-height: 330px; }
  .support-messages { padding: 16px 12px; gap: 12px; scrollbar-gutter: auto; }
  .support-message { padding: 10px 12px; }
  .support-message-meta { gap: 3px 8px; }
  .support-images:has(> :nth-child(2)) { gap: 6px; }
  .support-images:has(> :nth-child(2)) :is(.support-image-button, .support-image-error) { height: 150px; min-height: 150px; }
  .support-conversation .support-composer { padding: 8px 12px; }
  .support-conversation .support-composer fieldset { column-gap: 8px; }
  .support-composer-actions { gap: 6px; }
  .support-composer-actions button { font-size: 14px; }
  .support-composer-actions .support-primary { min-width: 72px; }
  .support-root .support-attachment-count { min-width: max-content; font-size: 11px; white-space: nowrap; }
  .support-conversation .support-composer textarea { min-height: 64px; height: 64px; }
  .support-conversation .support-status-control { padding: 8px 14px; }
  .support-status-control .support-field { display: flex; flex-direction: column; align-items: stretch; gap: 3px; }
  .support-status-control select { max-width: none; width: 100%; }
  .support-picks { gap: 8px; }
  .support-pick { width: 112px; }
  .support-pick img { width: 98px; height: 70px; }
  .support-dialog { width: calc(100vw - 20px); max-height: 94vh; max-height: 94dvh; padding: 0 12px 12px; border-radius: 10px; }
  .support-dialog .support-toolbar { padding: 8px 0; }
  body:has(#project-support .support-conversation) > main { padding: 0 12px; margin-top: 10px; }
  body:has(#project-support .support-conversation) .welcome,
  body:has(#project-support .support-conversation) #dashboard > .layout > aside { display: none; }
  body:has(#project-support .support-conversation) #project-tabs { margin-bottom: 10px !important; }
  body:has(#support-host .support-conversation) > main { padding: 0 12px; margin-top: 12px; }
}
html[data-theme="dark"] .support-root {
    --support-paper: var(--paper, #181e2a);
    --support-line: var(--line, #33405a);
    --support-muted: var(--muted, #a6b5ca);
    --support-blue: var(--blue, #8baaff);
    --support-soft: var(--soft, #202e4d);
    --support-chat: #141b27;
    --support-own-line: #405b94;
  }
html[data-theme="dark"] .support-root button.support-primary { background: #315ed7; border-color: #315ed7; }
html[data-theme="dark"] .support-notice.support-error { color: #ffb4b4; background: #341e26; border-color: #74434a; }
html[data-theme="dark"] .support-message { box-shadow: none; }

.support-requirement-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px}.support-requirement-links button{font-size:12px;padding:5px 9px}.support-requirement-links span{font-size:12px}

/*SUPPORT_SYSTEM_THEME*/
@media (prefers-color-scheme: dark) {
  .support-root {
    --support-paper: var(--paper, #181e2a);
    --support-line: var(--line, #33405a);
    --support-muted: var(--muted, #a6b5ca);
    --support-blue: var(--blue, #8baaff);
    --support-soft: var(--soft, #202e4d);
    --support-chat: #141b27;
    --support-own-line: #405b94;
  }
  .support-root button.support-primary { background: #315ed7; border-color: #315ed7; }
  .support-notice.support-error { color: #ffb4b4; background: #341e26; border-color: #74434a; }
  .support-message { box-shadow: none; }
}