/* v3.6.4 WHMCS style (stable) */
:root{
  --bg:#f5f6fa;--surface:#fff;--border:#dfe3ea;--text:#0f172a;--muted:#6b7280;
  --primary:#0b5ed7;--success:#16a34a;--warning:#d97706;--danger:#dc2626;
  --radius:12px;--shadow:0 8px 24px rgba(2,6,23,.06);
}
html,body{background:var(--bg)}
.wh-wrap{max-width:1180px;margin:24px auto;padding:0 16px}
.wh-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.wh-header.wh-card{padding:16px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.wh-title{font-size:20px;font-weight:800;color:var(--text);margin:0}
.print-btn{background:#fff;border:1px solid var(--border);padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--primary)}
.wh-notice{margin-top:12px;background:#eef2ff;border:1px solid #dbeafe;color:#1e3a8a;padding:10px;border-radius:10px}
.wh-details.wh-card{margin-top:12px;padding:12px}
.wh-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media(max-width:900px){.wh-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.wh-item{background:#fbfcff;border:1px solid var(--border);border-radius:10px;padding:10px 12px}
.wh-item.wh-right{ text-align:right }
.wh-item.wh-right .wh-k, .wh-item.wh-right .wh-v{ text-align:right }
.wh-item.wh-right .wh-v.ltr{ direction:ltr; unicode-bidi:bidi-override }

.wh-k{font-size:11px;color:var(--muted);margin-bottom:4px}
.wh-v{font-size:15px;font-weight:800;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wh-v.ltr{direction:ltr;unicode-bidi:bidi-override}
.wh-status{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:6px 10px;font-weight:700;font-size:12px;color:#fff}
.wh-status.open{background:var(--warning)}.wh-status.in_progress{background:var(--primary)}
.wh-status.answered{background:var(--success)}.wh-status.closed{background:var(--danger)}
.wh-thread.wh-card{margin-top:12px;padding:0}
.wh-thread-inner{padding:12px;max-height:calc(100vh - 360px);overflow:auto}
.post{display:flex;gap:12px;margin:12px 0;padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff}
.post.admin{border-left:4px solid var(--success);background:#f6fff9}
.post.client{border-left:4px solid var(--primary);background:#f7faff}
.post .avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;background:#fff;border:1px solid var(--border)}
.post .meta{display:flex;gap:10px;align-items:center;margin-bottom:6px}
.post .who{font-weight:800;color:var(--text);font-size:14px}
.post .time{font-size:12px;color:#9aa3b2;margin-inline-start:auto}
.post .content{white-space:pre-wrap;line-height:1.8;color:var(--text)}
.post .files{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.file-chip{font-size:12px;border:1px solid var(--border);padding:6px 10px;border-radius:999px;background:#fff;text-decoration:none;color:var(--text)}
.wh-reply.wh-card{margin-top:12px;padding:14px}
.wh-reply .field{margin-bottom:10px}
.wh-reply textarea{width:100%;min-height:140px;border:1px solid var(--border);border-radius:10px;padding:12px;font-size:15px;background:#fff}
.wh-reply .btn{padding:10px 16px;border:0;border-radius:10px;background:var(--primary);color:#fff;cursor:pointer}

/* v3.13 avatar images */
.wh-thread .avatar{display:flex;align-items:center;justify-content:center;overflow:hidden}
.wh-thread .avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}