/* v5.3.4 frontend styles */
.sst-container{max-width:1100px;margin:30px auto;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;padding:0 15px}
.sst-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;margin-top:18px}
.sst-card{display:block;background:#ffffff;border-radius:12px;padding:16px;border:1px solid #eef2f6;text-decoration:none;color:inherit;position:relative;overflow:hidden;transition:transform .12s ease}
.sst-card:hover{transform:translateY(-6px)}
.sst-card-inner{display:flex;align-items:center;gap:12px}
.sst-avatar img{width:64px;height:64px;border-radius:8px;object-fit:cover}
.sst-info h3{margin:0;font-size:16px}
.sst-sub{font-size:13px;color:#64748b;margin-top:6px}
.sst-date{font-size:12px;color:#94a3b8;margin-top:6px}
.sst-status-badge{position:absolute;top:14px;right:14px;padding:6px 10px;border-radius:20px;color:#fff;font-weight:700;text-transform:capitalize;font-size:12px}
.sst-status-badge.open{background:#007bff}
.sst-status-badge.answered{background:#28a745}
.sst-status-badge.closed{background:#6c757d}

/* Chat thread */
.sst-single-wrap{max-width:900px;margin:20px auto;background:#fff;padding:18px;border-radius:12px;border:1px solid #eef2f6}
.sst-thread{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.sst-message-row{display:flex;flex-direction:column}
.sst-message{max-width:80%;padding:12px 16px;border-radius:14px;box-shadow:0 2px 8px rgba(16,24,40,0.04);line-height:1.5}
.sst-message.user-message{background:#f8f9fa;margin-right:auto;text-align:left;border:1px solid #e6e8eb}
.sst-message.admin-message{background:#e7f1ff;margin-left:auto;text-align:right;border:1px solid #cfe3ff}
.sst-who{font-size:13px;color:#334155;margin-bottom:6px}
.sst-msg-content{font-size:14px;color:#0f172a}

/* reply form */
.sst-reply-form{margin-top:18px}
.sst-reply-form textarea{width:100%;min-height:100px;padding:10px;border-radius:8px;border:1px solid #e6eef5}

/* buttons */
.sst-btn{background:#0b74de;color:#fff;padding:10px 14px;border-radius:8px;border:none;cursor:pointer;font-weight:600}

/* admin styles */
.sst-admin-list{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.sst-admin-card{display:flex;justify-content:space-between;align-items:center;padding:12px;border-radius:10px;background:#fff;border:1px solid #eef2f6;box-shadow:0 6px 16px rgba(16,24,40,0.03);position:relative}
.sst-admin-card-left{display:flex;gap:12px;align-items:center}
.sst-admin-avatar img{border-radius:8px}
.sst-admin-info strong{display:block;font-size:15px}
.sst-admin-info .sub{color:#64748b;font-size:13px;margin-top:4px}
.sst-admin-info .time{color:#94a3b8;font-size:12px;margin-top:6px}
.sst-admin-card-right{display:flex;gap:10px;align-items:center}
.sst-view-btn{background:#0b74de;color:#fff;border-radius:8px;padding:8px 12px;text-decoration:none}
.sst-admin-badge{position:relative;padding:6px 10px;border-radius:16px;color:#fff;font-weight:700;text-transform:capitalize;font-size:12px}
.sst-admin-badge.open{background:#007bff}
.sst-admin-badge.answered{background:#28a745}
.sst-admin-badge.closed{background:#6c757d}

/* responsive */
@media (max-width:600px){
  .sst-avatar img{width:48px;height:48px}
  .sst-card-inner{flex-direction:row}
  .sst-grid{grid-template-columns:1fr}
  .sst-message{max-width:100%}
}