.support-page {
  --support-text: var(--hub-text, #17324d);
  --support-muted: var(--hub-muted, #607389);
  --support-border: var(--hub-border, #dbe4ed);
  --support-accent: var(--hub-primary, #087e73);
  background: var(--hub-bg, #f4f7fb);
  color: var(--support-text);
  min-width: 0;
}
.support-shell { min-width: 0; }
.support-workspace {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: calc(var(--app-dvh, 100dvh) - 32px);
  min-height: 720px;
  min-width: 0;
  padding: 16px 24px;
}
.support-page button, .support-page input, .support-page select, .support-page textarea { font: inherit; }
.support-page button { cursor: pointer; }
.support-page button:disabled { opacity: .5; cursor: not-allowed; }
.support-page :is(button, a, input, select, textarea, summary):focus-visible { outline: 3px solid #60a5fa; outline-offset: 2px; }
.support-hero { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; border: 1px solid var(--support-border); border-radius: 12px; background: #fff; }
.support-hero h1 { margin: 0; font-size: 24px; }
.support-hero p { margin: 4px 0 0; color: var(--support-muted); font-size: 13px; }
.support-hero > div:first-child { min-width: 0; }
.support-toolbar { display: flex; align-items: center; justify-content: flex-end; flex: 0 0 auto; flex-wrap: nowrap; gap: 8px; }
.support-toolbar select { width: 230px; max-width: 230px; min-width: 180px; }
.support-toolbar select, .support-queue-head input, .support-filters select { box-sizing: border-box; height: 40px; padding: 8px 10px; border: 1px solid var(--support-border); border-radius: 8px; background: #fff; color: var(--support-text); min-width: 0; }
.support-btn, .support-main-actions button, .support-pagination button, .support-attachment { border: 1px solid var(--support-border); border-radius: 8px; background: #fff; color: var(--support-text); padding: 8px 12px; font-weight: 650; min-height: 38px; white-space: nowrap; }
.support-btn.primary, .support-reply-actions button.primary { background: var(--support-accent); border-color: var(--support-accent); color: #fff; }
.support-tools, .support-history-menu { position: relative; }
.support-tools summary, .support-history-menu summary { list-style: none; border: 1px solid var(--support-border); border-radius: 8px; padding: 8px 11px; cursor: pointer; color: var(--support-muted); font-weight: 650; font-size: 13px; min-height: 38px; box-sizing: border-box; display: flex; align-items: center; gap: 7px; }
.support-tools summary::after, .support-history-menu summary::after { content: '⌄'; }
.support-tools summary::-webkit-details-marker, .support-history-menu summary::-webkit-details-marker { display: none; }
.support-tools > div, .support-history-menu > div { position: absolute; top: calc(100% + 5px); right: 0; z-index: 20; padding: 6px; border: 1px solid var(--support-border); border-radius: 10px; box-shadow: 0 8px 24px #17324d18; background: #fff; min-width: 210px; display: grid; gap: 4px; }
.support-tools > div button, .support-history-menu > div button { border: 0; padding: 9px 10px; text-align: left; border-radius: 6px; background: #fff; color: var(--support-text); font-size: 13px; }
.support-tools > div button:hover, .support-history-menu > div button:hover { background: #edf7f4; }
.support-tools > div p { margin: 4px 6px 8px; color: var(--support-muted); font-size: 12px; line-height: 1.5; }
.support-queues { flex: 0 0 auto; display: flex; gap: 8px; min-width: 0; overflow-x: auto; padding: 1px 1px 3px; }
.support-queue-filter { flex: 1 0 130px; display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 54px; padding: 10px 14px; text-align: left; border: 1px solid var(--support-border); border-radius: 10px; background: #fff; color: var(--support-muted); font-size: 13px; font-weight: 600; }
.support-queue-filter strong { font-size: 21px; color: var(--support-text); font-weight: 750; }
.support-queue-filter.active { background: #eaf7f2; border-color: #7fc5b4; color: #006b5a; }
.support-queue-filter.active strong { color: #006b5a; }
.support-notice { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 12px; border: 1px solid #bfd7ef; border-radius: 9px; background: #eff6fd; color: #25547d; font-size: 13px; }
.support-notice button { border: 0; background: transparent; color: inherit; padding: 5px 8px; font-weight: 650; }
.support-mobile-tabs { display: none; }
.support-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 12px; flex: 1 1 auto; min-height: 520px; min-width: 0; }
.support-queue, .support-main { min-width: 0; min-height: 0; height: 100%; box-sizing: border-box; display: flex; flex-direction: column; border: 1px solid var(--support-border); border-radius: 12px; background: #fff; overflow: hidden; }
.support-queue { padding: 12px; gap: 10px; }
.support-queue-head { flex: 0 0 auto; }
.support-queue-head input { width: 100%; font-size: 13px; }
.support-channel-tabs { display: flex; gap: 3px; flex: 0 0 auto; border-bottom: 1px solid var(--support-border); }
.support-channel-tabs button { flex: 1; min-width: 0; padding: 9px 3px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--support-muted); font-size: 12px; font-weight: 650; }
.support-channel-tabs button.active { border-bottom-color: var(--support-accent); color: var(--support-accent); }
.support-filters { flex: 0 0 auto; font-size: 12px; color: var(--support-muted); }
.support-filters summary { cursor: pointer; padding: 2px 0; }
.support-filters > div { display: grid; gap: 7px; padding-top: 8px; }
.support-filters label { display: grid; gap: 4px; }
.support-filters select { width: 100%; height: 34px; font-size: 12px; }
.support-filters button { border: 0; background: transparent; color: var(--support-accent); padding: 5px 0; text-align: left; }
.support-list-caption { flex: 0 0 auto; margin: 0; font-size: 12px; color: var(--support-muted); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.support-thread-list { display: flex; flex-direction: column; gap: 8px; flex: 1 1 auto; min-height: 0; overflow: auto; scrollbar-width: thin; padding: 1px 3px 1px 1px; }
.support-thread { display: block; width: 100%; flex: 0 0 auto; min-width: 0; padding: 11px 12px; border: 1px solid var(--support-border); border-radius: 9px; background: #fff; color: var(--support-text); text-align: left; }
.support-thread:hover { border-color: #9dcbbe; background: #fafdfc; }
.support-thread.active { border-color: #68b4a2; background: #f0faf6; box-shadow: inset 3px 0 #087e73; }
.support-thread-content { display: flex; flex-direction: column; align-items: stretch; width: 100%; min-width: 0; }
.support-thread-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; color: var(--support-muted); font-size: 11px; }
.support-thread-meta > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.support-thread-meta time { flex: 0 0 auto; white-space: nowrap; }
.support-thread-content > strong { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; line-height: 1.4; overflow-wrap: anywhere; min-width: 0; width: 100%; }
.support-thread-preview { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 5px; color: var(--support-muted); line-height: 1.45; font-size: 12px; overflow-wrap: anywhere; }
.support-thread-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 9px; font-size: 11px; color: var(--support-muted); }
.support-thread-footer time { margin-left: auto; }
.support-badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 7px; border-radius: 6px; font-size: 11px; font-weight: 650; line-height: 1.35; max-width: 100%; overflow-wrap: anywhere; }
.support-badge.danger { background: #fff0eb; color: #b04c2f; }
.support-badge.blocked { background: #ffecee; color: #b42e45; }
.support-badge.warning { background: #fff5df; color: #946115; }
.support-badge.success { background: #e6f7ed; color: #08724c; }
.support-badge.info { background: #eaf3fe; color: #245ea3; }
.support-badge.neutral { background: #eef2f6; color: #52677c; }
.support-sla-badge, .support-deadline { font-size: 11px; font-weight: 650; }
.support-sla-badge.overdue, .support-deadline.danger { color: #b42e45; }
.support-sla-badge.at-risk, .support-sla-badge.due-soon, .support-deadline.warning { color: #946115; }
.support-deadline.neutral { color: var(--support-muted); }
.support-pagination { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 6px; border-top: 1px solid var(--support-border); font-size: 11px; color: var(--support-muted); }
.support-pagination button { min-height: 32px; padding: 6px 9px; font-size: 12px; }
.support-pagination span { text-align: center; }
.support-main { padding: 14px 16px; }
.support-main-head { flex: 0 0 auto; display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--support-border); }
.support-heading-copy { min-width: 0; flex: 1; }
.support-main-head h2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0; font-size: 18px; line-height: 1.35; overflow-wrap: anywhere; }
.support-main-head p, .support-heading-copy > small { display: block; margin: 0 0 5px; font-size: 12px; color: var(--support-muted); overflow-wrap: anywhere; }
.support-main-actions { display: flex; flex: 0 0 auto; gap: 7px; }
.support-main-actions button { padding: 7px 10px; min-height: 34px; font-size: 12px; }
.support-action-strip { flex: 0 0 auto; display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px; padding: 9px 0; color: var(--support-muted); font-size: 12px; }
.support-action-strip > span:not(.support-badge) { min-width: 0; overflow-wrap: anywhere; }
.support-action-strip time { margin-left: auto; font-size: 11px; }
.support-action-strip .support-deadline { margin-left: auto; }
.support-detail-tabs { flex: 0 0 auto; display: flex; align-items: center; gap: 16px; border-bottom: 1px solid var(--support-border); min-height: 40px; }
.support-detail-tabs > button { border: 0; border-bottom: 2px solid transparent; background: transparent; padding: 10px 0; color: var(--support-muted); font-size: 13px; font-weight: 650; text-transform: none; }
.support-detail-tabs > button.active { color: var(--support-accent); border-bottom-color: var(--support-accent); }
.support-history-menu { margin-left: auto; }
.support-history-menu summary { border: 0; min-height: 34px; padding: 8px 0; font-size: 12px; }
.support-messages { display: flex; flex-direction: column; gap: 14px; flex: 1 1 auto; min-height: 0; overflow: auto; padding: 14px 6px 14px 0; scrollbar-width: thin; }
.support-message { display: flex; align-items: flex-start; gap: 8px; max-width: min(88%, 700px); flex: 0 0 auto; }
.support-message.outbound { align-self: flex-end; flex-direction: row-reverse; }
.support-message.system { align-self: center; max-width: 92%; }
.support-avatar { width: 28px; height: 28px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: #eef3f7; color: #45627a; font-size: 10px; font-weight: 700; }
.support-bubble { min-width: 0; border: 1px solid var(--support-border); border-radius: 10px; padding: 10px 12px; background: #fff; color: var(--support-text); }
.support-message.outbound .support-bubble { background: #eef8f4; border-color: #c4e4d7; }
.support-message.system .support-bubble { background: #f6f8fb; border-color: #e4eaf0; }
.support-bubble header { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--support-muted); font-size: 11px; }
.support-bubble header strong { font-size: 11px; color: var(--support-text); font-weight: 650; }
.support-bubble header time { white-space: nowrap; }
.support-bubble p { margin: 7px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.55; font-size: 14px; }
.support-bubble small { display: block; margin-top: 7px; color: #08724c; font-size: 11px; }
.support-message-error { color: #b42e45 !important; }
.support-reply { flex: 0 0 auto; border: 1px solid var(--support-border); border-radius: 10px; padding: 9px 11px; background: #fff; }
.support-reply label, .support-reply-title { display: block; margin-bottom: 5px; font-size: 12px; font-weight: 650; color: var(--support-text); }
.support-reply textarea { display: block; box-sizing: border-box; width: 100%; height: 80px; min-height: 64px; max-height: 140px; resize: vertical; border: 0; padding: 8px 1px; background: #fff; color: var(--support-text); font-size: 14px; line-height: 1.45; }
.support-reply textarea:disabled { background: #f7f9fb; color: var(--support-muted); }
.support-reply-actions { display: flex; align-items: center; gap: 10px; padding-top: 8px; border-top: 1px solid var(--support-border); color: var(--support-muted); font-size: 11px; }
.support-reply-actions > small { min-width: 0; flex: 1; }
.support-reply-actions > span { white-space: nowrap; }
.support-reply-actions button { border: 1px solid var(--support-border); border-radius: 8px; padding: 8px 13px; min-height: 38px; font-size: 13px; font-weight: 650; flex: 0 0 auto; }
.support-manual-notice, .support-block-notice { border-radius: 7px; padding: 7px 9px; margin: 0 0 7px; font-size: 12px; line-height: 1.4; }
.support-manual-notice { background: #edf7f3; color: #247260; }
.support-block-notice { background: #fff5e8; color: #946115; }
.support-context { flex: 1 1 auto; min-height: 0; overflow: auto; padding: 14px 4px 8px 0; scrollbar-width: thin; }
.support-context-section { border: 1px solid var(--support-border); border-radius: 9px; padding: 13px; margin-bottom: 10px; background: #fff; }
.support-context-section h3 { margin: 0 0 10px; font-size: 15px; }
.support-context-section > p { margin: 6px 0; font-size: 13px; color: var(--support-muted); overflow-wrap: anywhere; }
.support-context-section > strong { font-size: 14px; overflow-wrap: anywhere; }
.support-context-section :is(button, a) { display: inline-block; margin: 7px 8px 0 0; border: 1px solid var(--support-border); border-radius: 7px; background: #fff; color: var(--support-accent); padding: 7px 10px; text-decoration: none; font-size: 12px; }
.support-fields { display: grid; grid-template-columns: minmax(100px, 160px) minmax(0, 1fr); gap: 8px 14px; margin: 12px 0 0; font-size: 13px; }
.support-fields > div { display: contents; }
.support-fields dt { color: var(--support-muted); }
.support-fields dd { margin: 0; color: var(--support-text); overflow-wrap: anywhere; }
.support-product-image { width: 100px; height: 90px; object-fit: contain; border: 1px solid var(--support-border); border-radius: 8px; background: #fff; margin-bottom: 8px; }
.support-audit { flex: 1 1 auto; min-height: 0; overflow: auto; padding: 12px 0; display: flex; flex-direction: column; gap: 8px; }
.support-audit > div { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 6px 12px; padding: 11px; border: 1px solid var(--support-border); border-radius: 8px; font-size: 12px; }
.support-audit small { color: var(--support-muted); overflow-wrap: anywhere; }
.support-json { flex: 1 1 auto; min-height: 0; overflow: auto; padding: 12px; border: 1px solid var(--support-border); border-radius: 9px; background: #102a43; color: #e7eef7; font-size: 12px; line-height: 1.5; }
.support-empty { color: var(--support-muted); padding: 28px 16px; text-align: center; font-size: 13px; line-height: 1.5; }
.support-empty strong { display: block; color: var(--support-text); margin-bottom: 6px; }
.support-main > .support-empty { margin: auto; }
.support-attachments { display: flex; flex-direction: column; gap: 5px; margin-top: 7px; }
.support-attachment { min-height: 30px; padding: 6px 9px; font-size: 12px; color: var(--support-accent); max-width: 100%; overflow-wrap: anywhere; white-space: normal; }
.support-attachment-list { flex: 1 1 auto; min-height: 0; overflow: auto; padding: 14px 0; }
.support-attachment-list > div { padding: 8px 0; }
.support-attachment-list small { font-size: 11px; color: var(--support-muted); }
.support-modal-overlay { position: fixed; inset: 0; background: #102a4380; z-index: 9999; display: grid; place-items: center; padding: 20px; }
.support-attachment-modal { box-sizing: border-box; display: flex; flex-direction: column; gap: 12px; width: min(960px, 95vw); max-height: 90dvh; padding: 16px; background: #fff; border-radius: 12px; }
.support-attachment-modal header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.support-attachment-modal img { max-width: 100%; max-height: 70dvh; object-fit: contain; }
.support-attachment-modal iframe { width: 100%; height: 65dvh; border: 0; }
.support-attachment-modal button, .support-attachment-modal a { border: 1px solid var(--support-border); border-radius: 7px; padding: 7px 10px; background: #fff; color: var(--support-accent); font-size: 13px; }
.support-outbound-attachment { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 9px; padding: 4px 0 9px; }
.support-reply .support-reply-destination { display: flex; align-items: center; gap: 8px; font-size: 12px; margin: 7px 0; }
.support-reply-destination select { box-sizing: border-box; height: 32px; padding: 4px 8px; border: 1px solid var(--support-border); border-radius: 6px; background: #fff; color: var(--support-text); font-size: 12px; }
.support-outbound-attachment .support-btn { min-height: 32px; padding: 6px 9px; font-size: 12px; }
.support-outbound-attachment span { min-width: 0; max-width: min(300px, 100%); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; color: var(--support-text); }
.support-outbound-attachment small { color: var(--support-muted); font-size: 11px; }
.support-sac-dialog { box-sizing: border-box; width: min(640px, calc(100vw - 32px)); max-width: 100%; max-height: calc(100dvh - 32px); margin: auto; padding: 0; overflow: auto; border: 1px solid var(--support-border); border-radius: 14px; background: #fff; color: var(--support-text); box-shadow: 0 16px 64px #102a433b; }
.support-sac-dialog::backdrop { background: #102a4370; }
.support-sac-dialog-content { padding: 20px; }
.support-sac-dialog-content > header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.support-sac-dialog-content > header h2 { margin: 0; font-size: 20px; line-height: 1.4; }
.support-sac-dialog-content p { font-size: 13px; line-height: 1.55; overflow-wrap: anywhere; }
.support-sac-form { display: flex; flex-direction: column; gap: 13px; }
.support-sac-form fieldset { display: flex; flex-direction: column; gap: 13px; min-width: 0; border: 0; margin: 0; padding: 0; }
.support-sac-form label { display: flex; flex-direction: column; gap: 6px; color: var(--support-text); font-size: 13px; font-weight: 650; }
.support-sac-form input:not([type="checkbox"]), .support-sac-form select { box-sizing: border-box; width: 100%; min-width: 0; min-height: 42px; padding: 8px 10px; border: 1px solid var(--support-border); border-radius: 8px; background: #fff; color: var(--support-text); font-size: 14px; }
.support-sac-form fieldset:disabled :is(input, select) { background: #f5f7fa; color: var(--support-muted); }
.support-sac-form .support-check { flex-direction: row; align-items: flex-start; gap: 9px; font-weight: 500; line-height: 1.5; }
.support-sac-form .support-check input { flex: 0 0 auto; width: 18px; height: 18px; margin: 2px 0; accent-color: var(--support-accent); }
.support-sac-extra { border: 1px solid var(--support-border); border-radius: 8px; padding: 10px; }
.support-sac-extra summary { padding: 3px 0; font-size: 13px; color: var(--support-accent); cursor: pointer; }
.support-sac-extra > .support-check { margin-top: 12px; }
.support-sac-item-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.support-sac-item-list > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(85px, 110px); align-items: start; gap: 10px; padding: 9px; border: 1px solid var(--support-border); border-radius: 7px; }
.support-sac-item-list > div > small { color: var(--support-muted); text-align: right; }
.support-order-confirmation { display: flex; flex-direction: column; gap: 5px; padding: 11px; border: 1px solid #c4e4d7; border-radius: 8px; background: #eef8f4; font-size: 13px; }
.support-order-confirmation > span { color: var(--support-muted); }
.support-order-confirmation > label { margin-top: 8px; }
.support-dialog-actions { display: flex; justify-content: flex-end; gap: 8px; padding-top: 6px; }
.support-dialog-actions .support-btn { min-height: 42px; white-space: normal; }
.support-form-error { color: #b42e45 !important; line-height: 1.5; font-size: 13px; }
.support-operation-notice { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; border: 1px solid #c1d9ef; border-radius: 8px; padding: 11px; margin-bottom: 12px; color: #25547d; background: #eff6fd; font-size: 13px; }
.support-operation-notice.has-error { border-color: #f0b8bf; background: #fff4f4; color: #a62d40; }
.support-operation-notice p { margin: 0; }
.support-sac-section-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.support-sac-section-head h3 { margin-bottom: 5px; }
.support-sac-section-head p { margin: 0; font-size: 13px; color: var(--support-muted); line-height: 1.5; }
.support-sac-section-head .support-btn { flex: 0 0 auto; margin: 0; }
.support-sac-action-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.support-sac-action-buttons .support-btn { margin: 0; min-height: 42px; font-size: 13px; white-space: normal; }
.support-sac-record { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; padding: 11px 0; border-top: 1px solid var(--support-border); font-size: 13px; overflow-wrap: anywhere; }
.support-sac-record p { margin: 0; line-height: 1.5; }
.support-sac-record time, .support-sac-record small { color: var(--support-muted); font-size: 12px; }
@media (max-width: 1180px) {
  .support-workspace { padding: 12px 16px; }
  .support-grid { grid-template-columns: 300px minmax(0, 1fr); }
  .support-hero { align-items: flex-start; }
  .support-toolbar select { max-width: 225px; min-width: 165px; }
  .support-main-head { gap: 10px; }
}
@media (max-width: 860px) {
  .support-workspace { height: var(--support-available-height, calc(100dvh - 80px)); min-height: 0; padding: 10px 0 calc(10px + env(safe-area-inset-bottom, 0px)); gap: 8px; }
  .support-hero { display: block; padding: 10px 12px; }
  .support-hero > div:first-child { display: none; }
  .support-hero h1 { font-size: 22px; }
  .support-hero p { margin-top: 3px; font-size: 12px; line-height: 1.35; }
  .support-toolbar { margin-top: 0; justify-content: flex-start; flex: 1 1 auto; flex-wrap: wrap; gap: 6px; }
  .support-toolbar select { flex: 1 1 120px; width: 0; min-width: 0; max-width: none; height: 44px; font-size: 16px; }
  .support-toolbar .support-btn { min-height: 44px; padding: 7px 9px; font-size: 12px; }
  .support-tools summary { min-height: 44px; padding: 7px 8px; font-size: 12px; }
  .support-queues { gap: 6px; padding-bottom: 3px; scrollbar-width: thin; }
  .support-queue-filter { flex-basis: 134px; min-height: 44px; padding: 8px 10px; font-size: 12px; }
  .support-queue-filter strong { font-size: 18px; }
  .support-notice { font-size: 12px; padding: 7px 10px; }
  .support-mobile-tabs { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
  .support-mobile-tabs button { flex: 0 0 auto; white-space: nowrap; border: 1px solid var(--support-border); border-radius: 8px; background: #fff; color: var(--support-accent); padding: 8px 12px; min-height: 44px; font-size: 14px; font-weight: 650; }
  .support-mobile-current { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; color: var(--support-muted); }
  .support-view-fila .support-mobile-tabs { display: none; }
  .support-view-conversa .support-hero, .support-view-conversa .support-queues { display: none; }
  .support-grid { display: flex; flex-direction: column; min-height: 0; gap: 0; }
  .support-mobile-fila .support-main, .support-mobile-conversa .support-queue { display: none; }
  .support-queue, .support-main { flex: 1 1 auto; height: 100%; }
  .support-queue { padding: 10px; gap: 8px; }
  .support-main { padding: 10px 12px; overflow-y: auto; }
  .support-queue-head input { min-height: 44px; font-size: 16px; }
  .support-channel-tabs button { min-height: 44px; font-size: 13px; }
  .support-filters summary { min-height: 44px; display: flex; align-items: center; }
  .support-filters summary::before { content: '▸'; margin-right: 6px; }
  .support-filters[open] summary::before { content: '▾'; }
  .support-filters > div { padding-bottom: 8px; }
  .support-thread { display: flex; flex-direction: column; align-items: stretch; padding: 12px; }
  .support-thread-meta { flex-wrap: wrap; font-size: 12px; gap: 3px 8px; }
  .support-thread-meta > span { flex: 1 1 100px; }
  .support-thread-meta time { margin-left: auto; }
  .support-thread-content > strong { font-size: 15px; }
  .support-thread-preview { width: 100%; min-width: 0; font-size: 13px; }
  .support-thread-footer { font-size: 12px; gap: 6px 8px; }
  .support-thread-footer .support-deadline { flex-basis: 100%; font-size: 12px; line-height: 1.45; }
  .support-thread .support-badge { font-size: 12px; }
  .support-pagination button { min-height: 44px; }
  .support-main-head { gap: 8px; align-items: flex-start; flex-wrap: wrap; }
  .support-heading-copy { flex-basis: 100%; }
  .support-main-head h2 { font-size: 15px; }
  .support-main-head p, .support-heading-copy > small { font-size: 11px; }
  .support-heading-copy > small { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .support-main-actions { flex-direction: row; gap: 4px; }
  .support-main-actions button { min-height: 44px; padding: 8px 10px; font-size: 12px; }
  .support-action-strip { padding: 7px 0; gap: 5px 7px; font-size: 11px; }
  .support-action-strip .support-deadline, .support-action-strip time { margin-left: 0; }
  .support-detail-tabs { gap: 12px; min-height: 44px; }
  .support-detail-tabs > button { min-height: 44px; font-size: 12px; padding: 8px 0; }
  .support-history-menu summary { min-height: 44px; font-size: 12px; }
  .support-message { max-width: 100%; min-width: 0; gap: 5px; }
  .support-messages, .support-context { min-height: 96px; }
  .support-avatar { width: 24px; height: 24px; font-size: 9px; }
  .support-bubble { max-width: 100%; padding: 9px 10px; }
  .support-bubble p { font-size: 14px; }
  .support-bubble header { flex-wrap: wrap; gap: 4px 8px; font-size: 11px; }
  .support-bubble header strong { min-width: 0; overflow-wrap: anywhere; font-size: 11px; }
  .support-reply { padding: 8px 10px; }
  .support-reply textarea { height: 70px; max-height: 100px; min-height: 54px; font-size: 16px; }
  .support-reply-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px; padding-top: 6px; }
  .support-reply-actions button { grid-column: 1 / -1; width: 100%; min-height: 44px; padding: 9px 10px; font-size: 14px; }
  .support-reply-actions > span { font-size: 11px; }
  .support-keyboard-open .support-main-head, .support-keyboard-open .support-action-strip, .support-keyboard-open .support-detail-tabs { display: none; }
  .support-fields { grid-template-columns: 105px minmax(0, 1fr); gap: 7px 10px; font-size: 12px; }
  .support-context-section { padding: 10px; }
  .support-modal-overlay { padding: 10px; }
  .support-outbound-attachment .support-btn { min-height: 44px; }
  .support-reply-destination select { height: 44px; font-size: 16px; }
  .support-outbound-attachment span { max-width: 100%; flex: 1 1 150px; }
  .support-sac-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); }
  .support-sac-dialog-content { padding: 14px; }
  .support-sac-dialog-content > header h2 { font-size: 18px; }
  .support-sac-dialog .support-btn, .support-sac-actions .support-btn { min-height: 44px; }
  .support-sac-form input:not([type="checkbox"]), .support-sac-form select { font-size: 16px; min-height: 44px; }
  .support-sac-section-head { flex-wrap: wrap; }
  .support-sac-form .support-check { min-height: 44px; }
  .support-dialog-actions { flex-wrap: wrap; }
  .support-dialog-actions .support-btn { flex: 1 1 auto; }
}
@media (max-width: 460px) {
  .support-hero p { max-width: 300px; }
  .support-thread { padding: 10px; }
  .support-thread-content > strong { font-size: 14px; }
  .support-main-head h2 { font-size: 14px; }
  .support-reply-actions > small { font-size: 10px; }
}
@media (max-width: 860px) and (max-height: 520px) {
  .support-view-fila .support-workspace { height: auto; min-height: 520px; }
  .support-view-fila .support-grid { min-height: 340px; }
  .support-view-conversa .support-main-head, .support-view-conversa .support-action-strip { display: none; }
  .support-view-conversa .support-messages, .support-view-conversa .support-context { min-height: 64px; }
  .support-view-conversa .support-reply textarea { height: 54px; }
  .support-view-conversa .support-reply-actions > small { display: none; }
  .support-view-conversa .support-reply-actions button { grid-column: 2; width: auto; }
}
@media (prefers-reduced-motion: reduce) { .support-messages { scroll-behavior: auto; } }