/* Hộp thoại Góp ý · Liên hệ · Ủng hộ + nút trên header, dùng chung (retec-support.js). Cần các biến màu của trang:
   --ink --ink-2 --muted --line --surface --bg --accent --teal --danger (thiếu thì dùng giá trị dự phòng). */
.top-right { display: flex; align-items: center; gap: 12px; min-width: 0; }
.link-btn { border: 0; background: none; padding: 6px 8px; border-radius: 8px; font: 600 13.5px 'IBM Plex Sans', sans-serif; color: var(--ink-2, #4B4F58); cursor: pointer; }
.link-btn:hover, .link-btn:focus-visible { background: var(--surface, #fff); color: var(--ink, #14171F); }
a.link-btn { text-decoration: none; }
@media (max-width: 560px) { .links { display: none; } }  /* màn hẹp: nút nằm ở chân trang */
.link { border: 0; background: none; padding: 0; color: var(--ink-2, #4B4F58); font: inherit; font-size: 13px; font-weight: 500; text-decoration: underline; text-decoration-color: var(--accent, #FF6B47); text-underline-offset: 3px; cursor: pointer; white-space: nowrap; }
.foot-links { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.foot .wrap.foot-in { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.dlg { border: 1px solid var(--line, rgba(20, 23, 31, 0.10)); border-radius: 14px; padding: 24px; width: min(440px, calc(100vw - 32px)); background: var(--surface, #fff); color: var(--ink, #14171F); font: 15px/1.55 'IBM Plex Sans', system-ui, sans-serif; }
.dlg::backdrop { background: rgba(20, 23, 31, 0.45); }
.dlg-x { position: absolute; top: 10px; right: 10px; margin: 0; }
.dlg-x button { border: 0; background: none; width: 36px; height: 36px; border-radius: 8px; font-size: 22px; color: var(--ink-2, #4B4F58); cursor: pointer; }
.dlg-x button:hover { background: var(--bg, #F7F6F2); }
.dlg .tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line, rgba(20, 23, 31, 0.10)); margin: 0 40px 16px 0; }
.dlg .tabs button { border: 0; background: none; padding: 8px 12px; margin-bottom: -1px; border-bottom: 2px solid transparent; font: 600 14.5px 'IBM Plex Sans', sans-serif; color: var(--ink-2, #4B4F58); cursor: pointer; }
.dlg .tabs button[aria-selected="true"] { color: var(--ink, #14171F); border-bottom-color: var(--accent, #FF6B47); }
.dlg [hidden] { display: none !important; }
.dlg .label { display: block; font-weight: 600; font-size: 14px; margin: 0 0 8px; }
.dlg .label:not(:first-child) { margin-top: 14px; }
.dlg textarea, .dlg .input { display: block; width: 100%; border: 1px solid var(--line, rgba(20, 23, 31, 0.10)); background: var(--surface, #fff); color: var(--ink, #14171F); font: inherit; }
.dlg textarea { min-height: 110px; padding: 12px 14px; border-radius: 10px; resize: vertical; }
.dlg .input { padding: 10px 12px; border-radius: 10px; margin-bottom: 4px; }
.dlg .muted { color: var(--muted, #8A8F99); font-size: 13px; }
.dlg .fb-note { margin: 8px 0 14px; }
.dlg .btn { border: 1px solid var(--line, rgba(20, 23, 31, 0.10)); background: var(--surface, #fff); color: var(--ink, #14171F); border-radius: 10px; padding: 6px 12px; font: 600 14px 'IBM Plex Sans', sans-serif; cursor: pointer; }
.dlg .btn.primary { background: var(--accent, #FF6B47); border-color: var(--accent, #FF6B47); color: #fff; }
.dlg .btn:disabled { opacity: 0.6; cursor: progress; }
.dlg .btn.wide { width: 100%; height: 46px; font-size: 15px; border-radius: 10px; }
.dlg .btn.done { border-color: var(--teal, #21C7A8); color: #138A73; }
.dlg .fb-status { text-align: center; margin: 10px 0 0; min-height: 20px; font-size: 13.5px; color: var(--muted, #8A8F99); }
.dlg .contact-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.dlg .contact-list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 1px solid var(--line, rgba(20, 23, 31, 0.10)); border-radius: 10px; padding: 10px 12px; }
.dlg .contact-list a { color: var(--ink, #14171F); font-weight: 600; text-decoration: none; word-break: break-all; }
.dlg .contact-list small { display: block; color: var(--muted, #8A8F99); font-size: 12px; }
.dlg .qr { display: block; margin: 12px auto; border-radius: 10px; border: 1px solid var(--line, rgba(20, 23, 31, 0.10)); image-rendering: pixelated; }
.dlg .kv { width: 100%; border-collapse: collapse; font-size: 14px; }
.dlg .kv th, .dlg .kv td { text-align: left; vertical-align: top; padding: 10px 0; border-top: 1px solid var(--line, rgba(20, 23, 31, 0.10)); }
.dlg .kv tr:last-child th, .dlg .kv tr:last-child td { border-bottom: 1px solid var(--line, rgba(20, 23, 31, 0.10)); }
.dlg .kv th { width: 36%; padding-right: 16px; color: var(--ink-2, #4B4F58); font-weight: 500; }
.dlg .kv td { font-family: 'IBM Plex Mono', ui-monospace, monospace; word-break: break-word; }
.dlg .kv td .btn { float: right; margin: -3px 0 0 10px; padding: 2px 8px; font: 600 12px 'IBM Plex Sans', sans-serif; }