/* ===========================================================
   Q&A (กระดานถาม-ตอบ) — modern responsive theme
   ใช้กับ frontpage/qa : list / add / preview
   Font Awesome 4.7 / Bootstrap 3 (SB-Admin)
   =========================================================== */

.qa-wrap{max-width:100%;}
.qa-wrap *{box-sizing:border-box;}

/* ---------- Hero ---------- */
.qa-hero{
	background:linear-gradient(135deg,#0ea5e9,#0369a1);
	border-radius:16px;color:#fff;padding:24px 26px;margin:6px 0 20px;
	display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
	box-shadow:0 10px 26px rgba(3,105,161,.25);position:relative;overflow:hidden;
}
.qa-hero:after{content:"\f0e6";font-family:FontAwesome;position:absolute;right:-10px;bottom:-26px;font-size:140px;opacity:.12;}
.qa-hero .qa-hero-txt h2{margin:0 0 6px;font-size:24px;font-weight:700;line-height:1.2;}
.qa-hero .qa-hero-txt p{margin:0;opacity:.92;font-size:14px;}
.qa-hero .qa-hero-act{position:relative;z-index:2;}
.qa-btn-ask{
	display:inline-block;background:#fff;color:#0369a1;font-weight:700;font-size:15px;
	padding:11px 20px;border-radius:30px;text-decoration:none;box-shadow:0 4px 12px rgba(0,0,0,.15);
	transition:transform .15s ease,box-shadow .15s ease;white-space:nowrap;
}
.qa-btn-ask:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(0,0,0,.2);color:#075985;text-decoration:none;}

/* ---------- Category chips ---------- */
.qa-cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.qa-cat{
	display:inline-flex;align-items:center;gap:6px;background:#eff6ff;color:#1e40af;
	border:1px solid #dbeafe;border-radius:30px;padding:6px 14px;font-size:13px;font-weight:600;
}
.qa-cat i{opacity:.8;}

/* ---------- Toolbar (search + sort) ---------- */
.qa-toolbar{
	background:#fff;border:1px solid #e9ecef;border-radius:14px;padding:14px 16px;margin-bottom:18px;
	display:flex;gap:10px;flex-wrap:wrap;align-items:center;box-shadow:0 1px 3px rgba(0,0,0,.04);
}
.qa-search{display:flex;gap:8px;flex:1 1 320px;min-width:0;flex-wrap:wrap;}
.qa-search select,.qa-search input,.qa-sort select{
	height:42px;border:1px solid #d7dee7;border-radius:10px;padding:0 12px;font-size:14px;background:#fff;color:#1a2540;
}
.qa-search select{flex:0 0 130px;}
.qa-search input{flex:1 1 160px;min-width:0;}
.qa-search .qa-go{
	height:42px;border:none;border-radius:10px;padding:0 18px;background:linear-gradient(135deg,#0ea5e9,#0369a1);
	color:#fff;font-weight:600;font-size:14px;cursor:pointer;white-space:nowrap;
}
.qa-search .qa-all{
	height:42px;display:inline-flex;align-items:center;padding:0 16px;border-radius:10px;background:#f1f5f9;
	color:#475569;font-weight:600;font-size:14px;text-decoration:none;border:1px solid #e2e8f0;
}
.qa-search .qa-all:hover{background:#e2e8f0;text-decoration:none;color:#334155;}
.qa-sort{margin-left:auto;}
.qa-sort select{height:42px;flex:0 0 auto;}

/* ---------- Thread list ---------- */
.qa-section-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#1a2540;margin:0 0 12px;}
.qa-section-title i{color:#0ea5e9;}
.qa-list{display:flex;flex-direction:column;gap:12px;}
.qa-item{
	display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #e9ecef;border-radius:14px;
	padding:14px 16px;text-decoration:none;box-shadow:0 1px 3px rgba(0,0,0,.04);
	transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease;
}
.qa-item:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(2,132,199,.12);border-color:#bae6fd;text-decoration:none;}
.qa-num{
	flex:0 0 46px;height:46px;width:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
	background:linear-gradient(135deg,#e0f2fe,#bae6fd);color:#0369a1;font-weight:700;font-size:16px;
}
.qa-item-body{flex:1 1 auto;min-width:0;}
.qa-item-topic{font-size:15px;font-weight:600;color:#1a2540;margin:0 0 6px;line-height:1.4;word-break:break-word;}
.qa-item-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:#64748b;}
.qa-item-meta span{display:inline-flex;align-items:center;gap:5px;}
.qa-item-meta i{color:#94a3b8;}
.qa-cat-tag{display:inline-flex;align-items:center;gap:5px;background:#f0f9ff;color:#0369a1;border-radius:20px;padding:2px 10px;font-size:11.5px;font-weight:600;}
.qa-views{flex:0 0 auto;text-align:center;color:#0ea5e9;}
.qa-views .n{font-size:18px;font-weight:700;line-height:1;}
.qa-views .l{font-size:11px;color:#94a3b8;}
.qa-chev{flex:0 0 auto;color:#cbd5e1;font-size:18px;}

/* ---------- Empty state ---------- */
.qa-empty{
	background:#fff;border:1px dashed #cbd5e1;border-radius:16px;padding:46px 20px;text-align:center;color:#94a3b8;
}
.qa-empty i{font-size:54px;color:#cbd5e1;margin-bottom:12px;display:block;}
.qa-empty h4{color:#64748b;font-size:17px;margin:0 0 6px;}
.qa-empty p{margin:0 0 16px;font-size:14px;}

/* ---------- Footer info + pagination ---------- */
.qa-foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:18px;}
.qa-foot .qa-count{font-size:13px;color:#64748b;}
.qa-foot .pagination{margin:0;}

/* ---------- Cards (add/preview) ---------- */
.qa-card{background:#fff;border:1px solid #e9ecef;border-radius:16px;box-shadow:0 1px 3px rgba(0,0,0,.04);overflow:hidden;margin-bottom:18px;}
.qa-card-head{background:linear-gradient(135deg,#0ea5e9,#0369a1);color:#fff;padding:16px 20px;font-size:17px;font-weight:700;display:flex;align-items:center;gap:9px;}
.qa-card-head.amber{background:linear-gradient(135deg,#f59e0b,#d97706);}
.qa-card-body{padding:20px;}

/* ---------- Form ---------- */
.qa-form .form-group{margin-bottom:16px;}
.qa-form label{display:block;font-weight:600;color:#334155;font-size:14px;margin-bottom:6px;}
.qa-form label .req{color:#ef4444;margin-left:3px;}
.qa-form .form-control,.qa-form select.form-control{
	border:1px solid #d7dee7;border-radius:10px;min-height:44px;font-size:14px;box-shadow:none;
}
.qa-form .form-control:focus{border-color:#0ea5e9;box-shadow:0 0 0 3px rgba(14,165,233,.12);}
.qa-form textarea.form-control{min-height:120px;}
.qa-upload-hint{font-size:12.5px;color:#94a3b8;margin-top:5px;}
.qa-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px;}
.qa-actions .btn{border-radius:10px;padding:11px 22px;font-weight:600;font-size:15px;}
.btn-qa-save{background:linear-gradient(135deg,#0ea5e9,#0369a1);border:none;color:#fff;}
.btn-qa-save:hover{color:#fff;opacity:.92;}
.btn-qa-cancel{background:#f1f5f9;border:1px solid #e2e8f0;color:#475569;}
.btn-qa-cancel:hover{background:#e2e8f0;color:#334155;}

/* ---------- Thread preview ---------- */
.qa-thread-head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:6px;}
.qa-thread-title{font-size:21px;font-weight:700;color:#1a2540;margin:0;line-height:1.35;word-break:break-word;}
.qa-post{display:flex;gap:16px;align-items:flex-start;}
.qa-avatar{flex:0 0 56px;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
	background:linear-gradient(135deg,#0ea5e9,#0369a1);color:#fff;font-size:24px;font-weight:700;text-transform:uppercase;}
.qa-avatar.reply{background:linear-gradient(135deg,#10b981,#059669);}
.qa-post-main{flex:1 1 auto;min-width:0;}
.qa-post-by{font-weight:700;color:#1a2540;font-size:15px;}
.qa-post-sub{font-size:12.5px;color:#94a3b8;margin-top:2px;display:flex;flex-wrap:wrap;gap:12px;}
.qa-post-sub i{margin-right:4px;}
.qa-post-detail{margin-top:14px;color:#334155;font-size:15px;line-height:1.7;word-break:break-word;}
.qa-post-detail img{max-width:100%;height:auto;border-radius:10px;}
.qa-divider{border:none;border-top:1px solid #eef2f6;margin:16px 0;}
.qa-reply-count{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#1a2540;margin:24px 0 14px;}
.qa-reply-count .badge{background:#0ea5e9;color:#fff;border-radius:20px;padding:3px 11px;font-size:13px;}
.qa-reply-card{background:#f8fafc;border:1px solid #eef2f6;border-radius:14px;padding:16px;margin-bottom:12px;}

/* ---------- Mobile ---------- */
@media (max-width:600px){
	.qa-hero{padding:20px;border-radius:14px;}
	.qa-hero .qa-hero-txt h2{font-size:20px;}
	.qa-hero .qa-hero-act{width:100%;}
	.qa-btn-ask{display:block;text-align:center;}
	.qa-sort{margin-left:0;width:100%;}
	.qa-sort select{width:100%;}
	.qa-search{flex:1 1 100%;}
	.qa-search input{flex:1 1 100%;}
	.qa-search select{flex:1 1 100%;}
	.qa-num{flex-basis:38px;width:38px;height:38px;font-size:14px;}
	.qa-views{display:none;}
	.qa-chev{display:none;}
	.qa-post{gap:12px;}
	.qa-avatar{flex-basis:44px;width:44px;height:44px;font-size:18px;}
	.qa-thread-title{font-size:18px;}
}