/* MitaBase Pro — a product of ETMITA · https://etmita.com
   Copyright © ETMITA. All rights reserved. */
/* ════════════════════════════════════════════════════════════════
   SUPPORT v3 — the ticket line toward the MitaBase Hub.

   The page is src/features/support/support.page.ts →
   public/js/pages/support.js; this sheet holds every .su3-* rule.
   Token-native under .mt-scope. Two panes: ticket list + timeline.
   ════════════════════════════════════════════════════════════════ */

#su3-root { display: flex; flex-direction: column; gap: 12px; padding: 14px 16px 24px; flex: 1; min-height: 0; }
.su3-ic { flex: 0 0 auto; }

/* ── header ─────────────────────────────────────────────────────── */
.su3-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.su3-top h1 { display: flex; align-items: center; gap: 9px; margin: 0; font-family: var(--font-display), "Space Grotesk", sans-serif; font-size: 1.25rem; font-weight: 800; color: var(--text-primary); }
.su3-top p { margin: 4px 0 0; font-size: .74rem; color: var(--text-muted); max-width: 70ch; line-height: 1.55; }

/* ── layout ─────────────────────────────────────────────────────── */
.su3-wrap { display: flex; gap: 14px; flex: 1; min-height: 0; align-items: stretch; }
.su3-list { display: flex; flex-direction: column; gap: 10px; flex: 0 0 330px; min-width: 0; overflow-y: auto; padding-inline-end: 2px; }
.su3-detail { display: flex; flex-direction: column; flex: 1; min-width: 0; min-height: 0; border: 1px solid var(--border-subtle); border-radius: 14px; background: var(--surface-card); overflow: hidden; }

/* ── connection card (honesty first) ────────────────────────────── */
.su3-conn { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px dashed var(--border-default); border-radius: 12px; background: var(--surface-inset); color: var(--text-muted); }
.su3-conn b { display: block; font-size: .74rem; color: var(--text-secondary); }
.su3-conn span { font-size: .7rem; line-height: 1.5; }
.su3-conn-on { border-style: solid; border-color: var(--status-valid); color: var(--text-secondary); }
.su3-conn-on .su3-ic { color: var(--status-valid); }

/* ── search + filter ────────────────────────────────────────────── */
.su3-tools { display: flex; flex-direction: column; gap: 8px; }
.su3-search { display: flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 12px; border: 1px solid var(--border-subtle); border-radius: 11px; background: var(--surface-card); color: var(--text-muted); }
.su3-search:focus-within { border-color: var(--accent-fill-solid); }
.su3-search input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--text-primary); font: inherit; font-size: .78rem; outline: none; }
.su3-filters { display: flex; gap: 6px; }
.su3-fbtn { min-height: 32px; padding: 0 12px; border: 1px solid var(--border-subtle); border-radius: 999px; background: var(--surface-card); color: var(--text-secondary); font: inherit; font-size: .7rem; font-weight: 700; cursor: pointer; }
.su3-fbtn:hover { background: var(--surface-hover); color: var(--text-primary); }
.su3-fbtn.on { background: var(--accent-fill-solid); border-color: var(--accent-fill-solid); color: var(--accent-contrast); }

/* ── ticket rows ────────────────────────────────────────────────── */
.su3-rows { display: flex; flex-direction: column; gap: 6px; }
.su3-row { display: flex; align-items: center; gap: 10px; min-height: 56px; padding: 8px 10px; border: 1px solid var(--border-subtle); border-radius: 12px; background: var(--surface-card); font: inherit; cursor: pointer; text-align: start; animation: su3In .22s ease both; }
.su3-row:hover { background: var(--surface-hover); }
.su3-row.sel { border-color: var(--accent-fill-solid); box-shadow: var(--shadow-sm); }
.su3-row.lit { border-inline-start: 3px solid var(--accent-fill-solid); }
.su3-row:focus-visible { outline: 2px solid var(--accent-fill-solid); outline-offset: 2px; }
.su3-row-ic { display: grid; place-items: center; inline-size: 34px; block-size: 34px; border-radius: 10px; background: var(--surface-inset); color: var(--text-secondary); flex: 0 0 auto; }
.su3-row-mid { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.su3-row-mid b { font-size: .78rem; font-weight: 700; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.su3-row-sub { font-size: .68rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.su3-row-end { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; flex: 0 0 auto; }
.su3-row-end time { font-size: .62rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }

/* ── chips ──────────────────────────────────────────────────────── */
.su3-chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; font-size: .62rem; font-weight: 800; letter-spacing: .02em; background: var(--surface-inset); color: var(--text-secondary); }
.su3-t-ok { background: var(--status-valid-soft, var(--surface-inset)); color: var(--status-valid); }
.su3-t-warn { background: var(--status-expiring-soft); color: var(--status-expiring); }
.su3-t-bad { background: var(--status-expired-soft); color: var(--status-expired); }
.su3-t-acc { background: var(--accent-soft); color: var(--accent-text); }
.su3-t-n { background: var(--surface-inset); color: var(--text-secondary); }

/* ── detail: head + timeline + composer ─────────────────────────── */
.su3-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; padding: 14px 16px; border-block-end: 1px solid var(--border-subtle); }
.su3-head h2 { margin: 0 0 6px; font-size: .95rem; font-weight: 800; color: var(--text-primary); overflow-wrap: anywhere; }
.su3-head-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.su3-head-meta { display: block; margin-block-start: 6px; font-size: .66rem; color: var(--text-muted); }
.su3-head-r { flex: 0 0 auto; }

.su3-tl { display: flex; flex-direction: column; gap: 10px; flex: 1; min-height: 0; overflow-y: auto; padding: 14px 16px; background: var(--surface-inset); }
.su3-msg { max-inline-size: 76%; align-self: flex-end; padding: 9px 12px; border-radius: 14px 14px 4px 14px; background: var(--surface-card); border: 1px solid var(--border-subtle); animation: su3In .22s ease both; }
.su3-msg.hq { align-self: flex-start; border-radius: 14px 14px 14px 4px; border-color: var(--accent-fill-solid); }
.su3-msg header { display: flex; gap: 10px; justify-content: space-between; align-items: baseline; margin-block-end: 3px; }
.su3-msg header b { font-size: .66rem; font-weight: 800; color: var(--text-secondary); }
.su3-msg.hq header b { color: var(--accent-text); }
.su3-msg time { font-size: .6rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.su3-msg p { margin: 0; font-size: .78rem; line-height: 1.55; color: var(--text-primary); white-space: pre-wrap; overflow-wrap: anywhere; }
.su3-att { display: block; max-inline-size: 260px; max-block-size: 220px; margin-block-start: 6px; border-radius: 10px; border: 1px solid var(--border-subtle); object-fit: cover; background: var(--surface-inset); }

.su3-composer { display: flex; flex-direction: column; gap: 8px; padding: 12px 14px; border-block-start: 1px solid var(--border-subtle); }
.su3-composer textarea { border: 1px solid var(--border-subtle); border-radius: 11px; padding: 10px 12px; background: var(--surface-inset); color: var(--text-primary); font: inherit; font-size: .78rem; line-height: 1.5; resize: vertical; min-block-size: 44px; }
.su3-composer textarea:focus-visible { outline: 2px solid var(--accent-fill-solid); outline-offset: 1px; }
.su3-composer-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.su3-composer-off { flex-direction: row; align-items: center; gap: 8px; color: var(--text-muted); font-size: .72rem; }

/* ── buttons ────────────────────────────────────────────────────── */
.su3-btn { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; padding: 0 16px; border: 1px solid var(--border-subtle); border-radius: 11px; background: var(--surface-card); color: var(--text-primary); font: inherit; font-size: .74rem; font-weight: 700; cursor: pointer; }
.su3-btn:hover { background: var(--surface-hover); }
.su3-btn:focus-visible { outline: 2px solid var(--accent-fill-solid); outline-offset: 2px; }
.su3-btn-acc { background: var(--accent-fill-solid); border-color: var(--accent-fill-solid); color: var(--accent-contrast); }
.su3-btn-acc:hover { background: var(--accent-fill-solid); filter: brightness(1.06); }

.su3-attach { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 12px; border: 1px dashed var(--border-default); border-radius: 11px; background: transparent; color: var(--text-secondary); font: inherit; font-size: .7rem; font-weight: 700; cursor: pointer; }
.su3-attach:hover { color: var(--text-primary); border-color: var(--accent-fill-solid); }
.su3-attached { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 4px 8px; border: 1px solid var(--border-subtle); border-radius: 11px; background: var(--surface-inset); font-size: .68rem; color: var(--text-secondary); max-inline-size: 240px; }
.su3-attached img { inline-size: 34px; block-size: 34px; border-radius: 8px; object-fit: cover; }
.su3-attached span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.su3-attach-x { display: grid; place-items: center; inline-size: 28px; block-size: 28px; border: 0; border-radius: 8px; background: transparent; color: var(--text-muted); cursor: pointer; }
.su3-attach-x:hover { background: var(--surface-hover); color: var(--status-expired); }

/* ── states (empty · error · idle) ──────────────────────────────── */
.su3-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 34px 18px; border: 1px dashed var(--border-default); border-radius: 14px; text-align: center; color: var(--text-muted); }
.su3-state b { font-size: .82rem; color: var(--text-primary); }
.su3-state span { font-size: .7rem; line-height: 1.6; max-inline-size: 42ch; }
.su3-state .su3-ic { color: var(--text-muted); }
.su3-state-err { border-color: var(--status-expired); }
.su3-state-err .su3-ic { color: var(--status-expired); }
.su3-state-idle { flex: 1; border: 0; }

/* ── new-ticket dialog ──────────────────────────────────────────── */
.su3-dlg-back { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 16px; background: color-mix(in srgb, var(--surface-inset) 40%, rgba(0, 0, 0, .45)); animation: su3Fade .16s ease both; }
.su3-dlg { display: flex; flex-direction: column; gap: 12px; inline-size: min(520px, 100%); max-block-size: 90vh; overflow-y: auto; padding: 16px 18px 18px; border: 1px solid var(--border-subtle); border-radius: 16px; background: var(--surface-card); box-shadow: var(--shadow-lg); animation: su3Rise .2s ease both; }
.su3-dlg header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.su3-dlg h3 { margin: 0; font-size: .92rem; font-weight: 800; color: var(--text-primary); }
.su3-f { display: flex; flex-direction: column; gap: 5px; }
.su3-f > span { font-size: .68rem; font-weight: 700; color: var(--text-secondary); }
.su3-f input, .su3-f select, .su3-f textarea { min-block-size: 44px; padding: 10px 12px; border: 1px solid var(--border-subtle); border-radius: 11px; background: var(--surface-inset); color: var(--text-primary); font: inherit; font-size: .78rem; }
.su3-f textarea { resize: vertical; line-height: 1.5; }
.su3-f input:focus-visible, .su3-f select:focus-visible, .su3-f textarea:focus-visible { outline: 2px solid var(--accent-fill-solid); outline-offset: 1px; }
.su3-f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ── motion ─────────────────────────────────────────────────────── */
@keyframes su3In { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@keyframes su3Fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes su3Rise { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }

/* ── responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .su3-wrap { flex-direction: column; }
  .su3-list { flex: 0 0 auto; max-block-size: 44vh; }
  .su3-detail { min-block-size: 50vh; }
  .su3-msg { max-inline-size: 92%; }
  .su3-f2 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .su3-row, .su3-msg, .su3-dlg-back, .su3-dlg { animation: none !important; }
}

/* the shell toggles visibility with .hidden — must always win */
#su3-root .hidden { display: none !important; }