/* Support tickets page (page-support.css): list + conversation pane on top of the app shell. Tokens only. */
body[data-page="support"] .sup { display: grid; gap: 14px; }
body[data-page="support"] .sup-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 36px; padding: 0 14px; border: 1px solid var(--line); border-radius: 8px !important; background: var(--surface); color: var(--text); font: inherit; font-size: 13.5px; font-weight: 500; cursor: pointer; white-space: nowrap; transition: background var(--t) var(--ease), border-color var(--t) var(--ease), opacity var(--t) var(--ease); }
body[data-page="support"] .sup-btn:hover { background: var(--surface-2); border-color: var(--line-strong); }
body[data-page="support"] .sup-btn:disabled { opacity: .5; cursor: default; }
body[data-page="support"] .sup-btn svg { width: 15px; height: 15px; }
body[data-page="support"] .sup-btn-primary { border-color: var(--ink); background: var(--ink); color: var(--ink-text); }
body[data-page="support"] .sup-btn-primary:hover { background: var(--ink); opacity: .86; }
body[data-page="support"] .sup-muted { margin: 0; font-size: 13px; line-height: 1.55; color: var(--muted); }
body[data-page="support"] .sup-muted a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }

/* Toolbar */
body[data-page="support"] .sup-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
body[data-page="support"] .sup-tabs, body[data-page="support"] .sup-filter { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 8px !important; background: var(--surface-2); }
body[data-page="support"] .sup-tabs button, body[data-page="support"] .sup-filter button { display: inline-flex; align-items: center; gap: 7px; min-height: 30px; padding: 0 12px; border: 0; border-radius: 6px !important; background: transparent; color: var(--muted); font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; }
body[data-page="support"] .sup-tabs button[aria-selected="true"], body[data-page="support"] .sup-filter button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(16,18,20,.06); }
body[data-page="support"] .sup-count { display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px !important; background: var(--ink); color: var(--ink-text); font-size: 11px; font-weight: 600; font-variant-numeric: tabular-nums; }
body[data-page="support"] .sup-status { min-height: 18px; margin: 0; font-size: 13px; color: var(--muted); }
body[data-page="support"] .sup-status:empty { display: none; }
body[data-page="support"] .sup-status.error { color: var(--danger); }

/* Layout */
body[data-page="support"] .sup-layout { display: grid; grid-template-columns: minmax(260px, 340px) minmax(0, 1fr); gap: 14px; align-items: start; }
body[data-page="support"] .sup-list { display: grid; align-content: start; padding: 6px; max-height: calc(100vh - 250px); min-height: 320px; overflow-y: auto; }
body[data-page="support"] .sup-list-empty { margin: 0; padding: 36px 16px; text-align: center; font-size: 13.5px; color: var(--muted); }
body[data-page="support"] .sup-item { display: grid; gap: 4px; width: 100%; padding: 12px; border: 1px solid transparent; border-radius: 8px !important; background: transparent; color: var(--text); font: inherit; text-align: left; cursor: pointer; }
body[data-page="support"] .sup-item + .sup-item { margin-top: 2px; }
body[data-page="support"] .sup-item:hover { background: var(--surface-2); }
body[data-page="support"] .sup-item.is-active { border-color: var(--ink); background: var(--surface); }
body[data-page="support"] .sup-item-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
body[data-page="support"] .sup-item strong { font-size: 13.5px; font-weight: 500; line-height: 1.35; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
body[data-page="support"] .sup-item.is-unread strong { font-weight: 600; }
body[data-page="support"] .sup-item.is-unread .sup-ref::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--signal); vertical-align: 1px; }
body[data-page="support"] .sup-item-preview { font-size: 12.5px; line-height: 1.45; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
body[data-page="support"] .sup-item-meta { font-size: 11.5px; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
body[data-page="support"] .sup-ref { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .03em; color: var(--muted); }
body[data-page="support"] .sup-badge { display: inline-flex; align-items: center; min-height: 20px; padding: 0 8px; border-radius: 6px !important; font-size: 11.5px; font-weight: 500; white-space: nowrap; background: var(--surface-2); color: var(--muted); }
body[data-page="support"] .sup-badge.sup-open { background: var(--warn-soft); color: var(--warn); }
body[data-page="support"] .sup-badge.sup-answered { background: var(--signal-soft); color: var(--signal-text); }

/* Pane */
body[data-page="support"] .sup-pane { padding: 0; min-height: 320px; overflow: hidden; }
body[data-page="support"] .sup-form, body[data-page="support"] .sup-reply { display: grid; gap: 12px; }
body[data-page="support"] .sup-form { padding: 22px; }
body[data-page="support"] .sup-form h2, body[data-page="support"] .sup-thread-head h2 { margin: 0; font-family: var(--font-display); font-size: 19px; letter-spacing: -.025em; line-height: 1.2; overflow-wrap: anywhere; }
body[data-page="support"] .sup-field { display: grid; gap: 6px; }
body[data-page="support"] .sup-field > span { font-size: 12.5px; font-weight: 500; color: var(--muted); }
body[data-page="support"] .sup-field input, body[data-page="support"] .sup-field select, body[data-page="support"] .sup-field textarea { width: 100%; min-height: 40px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; font-size: 14px; line-height: 1.5; outline: 0; }
body[data-page="support"] .sup-field textarea { resize: vertical; min-height: 84px; }
body[data-page="support"] .sup-field input:focus, body[data-page="support"] .sup-field select:focus, body[data-page="support"] .sup-field textarea:focus { border-color: var(--ink); }
body[data-page="support"] .sup-form-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
body[data-page="support"] .sup-form-actions { display: flex; gap: 8px; margin-left: auto; }
body[data-page="support"] .sup-thread { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; max-height: calc(100vh - 250px); min-height: 420px; }
body[data-page="support"] .sup-thread-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
body[data-page="support"] .sup-thread-head > div:first-child { min-width: 0; flex: 1 1 260px; display: grid; gap: 3px; }
body[data-page="support"] .sup-thread-actions { display: flex; align-items: center; gap: 8px; }
body[data-page="support"] .sup-messages { display: grid; align-content: start; gap: 12px; padding: 18px 22px; overflow-y: auto; background: var(--bg); }
body[data-page="support"] .sup-msg { max-width: min(640px, 92%); padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
body[data-page="support"] .sup-msg.is-mine { justify-self: end; background: var(--surface-2); border-color: transparent; }
body[data-page="support"] .sup-msg.from-staff:not(.is-mine) { border-color: color-mix(in srgb, var(--signal) 45%, var(--line)); }
body[data-page="support"] .sup-msg header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 12.5px; }
body[data-page="support"] .sup-msg header strong { font-weight: 600; }
body[data-page="support"] .sup-msg time { margin-left: auto; font-size: 11.5px; color: var(--faint); }
body[data-page="support"] .sup-role { display: inline-flex; align-items: center; min-height: 18px; padding: 0 6px; border-radius: 5px; background: var(--signal-soft); color: var(--signal-text); font-size: 11px; font-weight: 500; }
body[data-page="support"] .sup-msg p { margin: 0; font-size: 14px; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
body[data-page="support"] .sup-reply { padding: 14px 22px 18px; border-top: 1px solid var(--line); background: var(--surface); }
body[data-page="support"] .sup-empty { display: grid; justify-items: center; gap: 8px; padding: 64px 24px; text-align: center; }
body[data-page="support"] .sup-empty strong { font-size: 15px; font-weight: 600; }
body[data-page="support"] .sup-empty p { max-width: 46ch; }
body[data-page="support"] .sup-empty-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--surface-2); color: var(--text); }
body[data-page="support"] .sup-empty-icon svg { width: 20px; height: 20px; }

@media (max-width: 860px) {
  body[data-page="support"] .sup-layout { grid-template-columns: minmax(0, 1fr); }
  body[data-page="support"] .sup-list { max-height: 320px; min-height: 0; }
  body[data-page="support"].sup-detail-open .sup-list { max-height: 200px; }
  body[data-page="support"] .sup-thread { max-height: none; }
  body[data-page="support"] .sup-messages { max-height: 60vh; padding: 14px; }
  body[data-page="support"] .sup-thread-head, body[data-page="support"] .sup-reply, body[data-page="support"] .sup-form { padding-inline: 14px; }
  body[data-page="support"] .sup-msg { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) { body[data-page="support"] .sup-btn { transition: none; } }