/* ==========================================================================
   member.css — สไตล์ของระบบสมาชิก (สมัคร/ล็อกอิน/บันทึก/ติดตาม/แจ้งเตือน/ความคิดเห็น)
   ใช้ตัวแปรสีจาก style.css (--bg-card, --border-color, --text-*, --accent-2 ...)
   ทุกคลาสขึ้นต้น bk-m / bk-tbtn / bk-cm เพื่อไม่ชนกับสไตล์เดิม
   ========================================================================== */

/* ---------- ปุ่ม/เมนูสมาชิกใน header (พื้นหลังเข้ม) ---------- */
.bk-mbtn{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.38rem .85rem;border-radius:999px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:rgba(255,255,255,.85);font-size:.88rem;font-weight:500;
  line-height:1.2;cursor:pointer;transition:background .15s,color .15s,border-color .15s;
}
.bk-mbtn:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
.bk-mbtn-primary{background:var(--accent-2);border-color:var(--accent-2);color:#fff;font-weight:600}
.bk-mbtn-primary:hover{background:#2563eb;border-color:#2563eb;color:#fff}
.bk-mbtn-plain,.bk-mbtn-plain:hover,.bk-mbtn-plain:focus,.bk-mbtn-plain.show{border-color:transparent;box-shadow:none;outline:0}  /* ปุ่มชื่อสมาชิกบน header: ไม่มีกรอบ */
.bk-mbtn-icon{padding:.4rem .6rem;position:relative;border-color:transparent}
.bk-mbtn-icon i{font-size:1.1rem;line-height:1}

.bk-avatar-sm{width:28px;height:28px;border-radius:50%;object-fit:cover;background:#334155;flex-shrink:0}
.bk-mname{max-width:9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.bk-bell-badge{
  position:absolute;top:-2px;right:-3px;min-width:18px;height:18px;padding:0 4px;
  border-radius:9px;background:#ef4444;color:#fff;font-size:.68rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;border:2px solid #0f172a;
}
.bk-bell-badge[hidden]{display:none}

.bk-mmenu{min-width:230px;border-radius:12px;border:1px solid var(--border-color);box-shadow:0 12px 32px rgba(15,23,42,.18);padding:.4rem;overflow:hidden}
.bk-mmenu .dropdown-item{display:flex;align-items:center;gap:.6rem;border-radius:8px;padding:.5rem .7rem;font-size:.92rem;color:var(--text-primary)}
.bk-mmenu .dropdown-item i{width:1.1rem;color:var(--text-muted)}
.bk-mmenu .dropdown-item:hover{background:#f1f5f9}
.bk-mmenu .bk-mmenu-head{padding:.5rem .7rem .6rem;border-bottom:1px solid var(--border-color);margin-bottom:.35rem}
.bk-mmenu .bk-mmenu-head strong{display:block;font-size:.95rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis}
.bk-mmenu .bk-mmenu-head span{font-size:.78rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;display:block}
.bk-mmenu .bk-pill{margin-left:auto;background:#eef2ff;color:#3949ab;border-radius:999px;font-size:.72rem;font-weight:700;padding:.1rem .5rem}

/* ดรอปดาวน์แจ้งเตือน */
.bk-bell-menu{width:360px;max-width:92vw;border-radius:14px;border:1px solid var(--border-color);box-shadow:0 12px 32px rgba(15,23,42,.18);overflow:hidden}
.bk-bell-head{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid var(--border-color);font-weight:700;font-size:.95rem;color:var(--text-primary)}
.bk-bell-head button{border:0;background:none;color:var(--accent-2);font-size:.8rem;font-weight:600;padding:0}
.bk-bell-list{max-height:min(60vh,420px);overflow-y:auto}
.bk-bell-empty{padding:2rem 1rem;text-align:center;color:var(--text-muted);font-size:.9rem}
.bk-bell-foot{display:block;text-align:center;padding:.65rem;border-top:1px solid var(--border-color);font-size:.85rem;font-weight:600;color:var(--accent-2)}
.bk-bell-foot:hover{background:#f8fafc}
.bk-notif{display:flex;gap:.7rem;padding:.7rem 1rem;color:var(--text-primary);border-bottom:1px solid #f1f5f9;position:relative}
.bk-notif:hover{background:#f8fafc}
.bk-notif.is-unread{background:#f0f7ff}
.bk-notif.is-unread::before{content:"";position:absolute;left:.4rem;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--accent-2)}
.bk-notif-ico{width:44px;height:44px;border-radius:10px;background:#eef1f5;flex-shrink:0;object-fit:cover;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:1.2rem}
.bk-notif-body{min-width:0;flex:1}
.bk-notif-title{font-size:.88rem;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bk-notif-sub{font-size:.78rem;color:var(--text-muted);line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bk-notif-time{font-size:.72rem;color:var(--text-muted);margin-top:2px}

/* ---------- ปุ่มสลับ บันทึก / ติดตาม ---------- */
.bk-tbtn{
  display:inline-flex;align-items:center;gap:.4rem;padding:.42rem 1rem;border-radius:999px;
  border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary);
  font-size:.88rem;font-weight:600;line-height:1.3;cursor:pointer;text-decoration:none;
  transition:background .15s,color .15s,border-color .15s,transform .1s;
}
.bk-tbtn:hover{border-color:var(--accent-2);color:var(--accent-2)}
.bk-tbtn:active{transform:scale(.97)}
.bk-tbtn.is-active{background:var(--accent-2);border-color:var(--accent-2);color:#fff}
.bk-tbtn.is-active:hover{background:#2563eb;color:#fff}
.bk-tbtn.is-busy{opacity:.6;pointer-events:none}
.bk-tbtn-sm{padding:.3rem .75rem;font-size:.8rem}
form.bk-inline{display:inline-block;margin:0}

/* ---------- การ์ด/ฟอร์ม เข้าสู่ระบบ-สมัครสมาชิก ---------- */
.bk-auth{max-width:460px;margin:1.5rem auto 2.5rem}
.bk-auth-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:1.75rem 1.5rem;box-shadow:0 4px 18px rgba(15,23,42,.05)}
.bk-auth-card h1{font-size:1.4rem;font-weight:800;margin:0 0 .35rem;color:var(--text-primary)}
.bk-auth-card .bk-sub{color:var(--text-muted);font-size:.92rem;margin-bottom:1.25rem}
.bk-auth-card .form-label{font-weight:600;font-size:.88rem;color:var(--text-secondary)}
.bk-auth-card .form-control{border-radius:10px;padding:.6rem .85rem}
.bk-auth-card .btn-bk{width:100%;border-radius:10px;padding:.65rem;font-weight:700;background:var(--accent-2);border-color:var(--accent-2);color:#fff}
.bk-auth-card .btn-bk:hover{background:#2563eb;border-color:#2563eb;color:#fff}
.bk-auth-alt{text-align:center;margin-top:1.1rem;font-size:.9rem;color:var(--text-secondary)}
.bk-auth-alt a{color:var(--accent-2);font-weight:600}
.bk-passwrap{position:relative}
.bk-passwrap .form-control{padding-right:2.8rem}
.bk-passtoggle{position:absolute;right:.35rem;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--text-muted);padding:.4rem .6rem}
.bk-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.bk-benefits{list-style:none;margin:0 0 1.25rem;padding:.9rem 1rem;background:#f0f7ff;border-radius:12px;font-size:.88rem;color:var(--text-secondary)}
.bk-benefits li{display:flex;align-items:center;gap:.55rem;padding:.2rem 0}
.bk-benefits i{color:var(--accent-2)}
.bk-recap-note{font-size:.72rem;color:var(--text-muted);text-align:center;margin-top:.9rem}

/* ---------- แถบเมนูหน้าสมาชิก ---------- */
.bk-mhead{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.bk-mhead img{width:56px;height:56px;border-radius:50%;object-fit:cover;background:#e2e8f0}
.bk-mhead h1{font-size:1.3rem;font-weight:800;margin:0;color:var(--text-primary)}
.bk-mhead small{color:var(--text-muted)}
.bk-mnav{display:flex;gap:.35rem;overflow-x:auto;border-bottom:1px solid var(--border-color);margin-bottom:1.25rem;scrollbar-width:none}
.bk-mnav::-webkit-scrollbar{display:none}
.bk-mnav a{display:inline-flex;align-items:center;gap:.4rem;padding:.65rem 1rem;font-size:.92rem;font-weight:600;color:var(--text-secondary);border-bottom:3px solid transparent;white-space:nowrap}
.bk-mnav a:hover{color:var(--accent-2)}
.bk-mnav a.active{color:var(--accent-2);border-bottom-color:var(--accent-2)}
.bk-mnav .bk-pill{background:#eef2ff;color:#3949ab;border-radius:999px;font-size:.72rem;font-weight:700;padding:.05rem .5rem}
.bk-mnav .bk-pill.is-alert{background:#ef4444;color:#fff}

.bk-mcard{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}
.bk-mcard h2{font-size:1.02rem;font-weight:800;margin:0 0 .9rem;color:var(--text-primary)}
.bk-mcard .form-label{font-weight:600;font-size:.88rem;color:var(--text-secondary)}
.bk-mstat{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.75rem;margin-bottom:1rem}
.bk-mstat a{display:block;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:.9rem 1rem;transition:border-color .15s,transform .15s}
.bk-mstat a:hover{border-color:var(--accent-2);transform:translateY(-2px)}
.bk-mstat b{display:block;font-size:1.5rem;line-height:1.1;color:var(--text-primary)}
.bk-mstat span{font-size:.8rem;color:var(--text-muted)}

/* รายการบทความในหน้าสมาชิก */
.bk-mlist{display:flex;flex-direction:column;gap:.25rem}
.bk-mitem{display:flex;gap:.9rem;align-items:center;padding:.65rem;border-radius:12px;position:relative}
.bk-mitem:hover{background:#f8fafc}
.bk-mitem-thumb{width:120px;flex-shrink:0;aspect-ratio:16/9;border-radius:9px;overflow:hidden;background:#eef1f5}
.bk-mitem-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.bk-mitem-body{min-width:0;flex:1}
.bk-mitem-cat{font-size:.72rem;font-weight:700;color:var(--accent-2)}
.bk-mitem-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:700;line-height:1.45;color:var(--text-primary);font-size:.97rem}
.bk-mitem:hover .bk-mitem-title{color:var(--accent-2)}
.bk-mitem-meta{font-size:.78rem;color:var(--text-muted);margin-top:.15rem}
.bk-mitem-act{flex-shrink:0}
.bk-mitem.is-unread{background:#f0f7ff}
@media(max-width:575.98px){.bk-mitem-thumb{width:96px}.bk-mitem{gap:.7rem;padding:.5rem .3rem}}

.bk-mempty{text-align:center;padding:2.5rem 1rem;color:var(--text-muted)}
.bk-mempty i{font-size:2.4rem;display:block;margin-bottom:.5rem;color:#cbd5e1}
.bk-mempty p{margin:0 0 .9rem}

/* หน้าเลือกหมวดที่ติดตาม */
.bk-fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.9rem}
.bk-fgroup{border:1px solid var(--border-color);border-radius:12px;padding:.85rem .95rem;background:var(--bg-card)}
.bk-fgroup .form-check{margin:0;padding-left:1.9em}
.bk-fgroup .form-check-input{width:1.15em;height:1.15em;margin-left:-1.9em;margin-top:.2em}
.bk-fgroup .bk-fmain{font-weight:800;color:var(--text-primary);padding-bottom:.4rem;margin-bottom:.4rem;border-bottom:1px dashed var(--border-color)}
.bk-fgroup .bk-fsub{font-size:.9rem;color:var(--text-secondary);padding-top:.15rem;padding-bottom:.15rem} /* ห้ามใช้ shorthand padding: จะทับ padding-left ที่เว้นที่ให้ช่องติ๊ก */

/* คำเตือน/แจ้งสถานะอีเมล */
.bk-note{display:flex;gap:.6rem;align-items:flex-start;padding:.8rem 1rem;border-radius:10px;font-size:.88rem;line-height:1.55;margin-bottom:1rem}
.bk-note i{margin-top:.15rem}
.bk-note-warn{background:#fff8e6;border:1px solid #fde7a8;color:#7a5a00}
.bk-note-ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.bk-note-info{background:#f0f7ff;border:1px solid #bfdbfe;color:#1e40af}
.bk-danger-zone{border-color:#fecaca;background:#fffafa}

/* ---------- CTA สมัครสมาชิก (สำหรับผู้เข้าชมทั่วไป) ---------- */
.bk-cta{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;border-radius:var(--radius);padding:1.1rem 1.25rem;margin:1.25rem 0}
.bk-cta-text{flex:1;min-width:220px}
.bk-cta-text strong{display:block;font-size:1.02rem;margin-bottom:.15rem}
.bk-cta-text span{font-size:.86rem;color:rgba(255,255,255,.72);line-height:1.6}
.bk-cta-actions{display:flex;gap:.5rem;flex-wrap:wrap}

/* แถบปุ่มใต้ชื่อบทความ */
.bk-article-actions{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin:.75rem 0 0}

/* ---------- ความคิดเห็น ---------- */
.bk-cm{margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid var(--border-color)}
.bk-cm-title{font-size:1.1rem;font-weight:800;margin:0 0 1rem;color:var(--text-primary)}
.bk-cm-title small{font-weight:500;color:var(--text-muted);font-size:.85rem}
.bk-cm-form textarea{border-radius:12px;resize:vertical;min-height:96px}
.bk-cm-form .bk-cm-foot{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-top:.5rem;flex-wrap:wrap}
.bk-cm-form .bk-cm-hint{font-size:.78rem;color:var(--text-muted)}
.bk-cm-list{display:flex;flex-direction:column;gap:1rem;margin-top:1.25rem}
.bk-cm-item{display:flex;gap:.75rem;scroll-margin-top:90px}
.bk-cm-item:target > .bk-cm-main > .bk-cm-bubble{box-shadow:0 0 0 2px var(--accent-2)}
.bk-cm-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;flex-shrink:0;background:#e2e8f0}
.bk-cm-item.is-reply .bk-cm-avatar{width:30px;height:30px}
.bk-cm-main{min-width:0;flex:1}
.bk-cm-bubble{background:#f5f7fa;border-radius:4px 14px 14px 14px;padding:.6rem .9rem}
.bk-cm-meta{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;font-size:.8rem;color:var(--text-muted);margin-bottom:.15rem}
.bk-cm-meta strong{color:var(--text-primary);font-size:.9rem}
.bk-cm-staff{background:var(--accent-2);color:#fff;border-radius:999px;font-size:.66rem;font-weight:700;padding:.08rem .5rem}
.bk-cm-wait{background:#fff3cd;color:#7a5a00;border-radius:999px;font-size:.68rem;font-weight:700;padding:.08rem .5rem}
.bk-cm-text{font-size:.94rem;line-height:1.7;color:var(--text-primary);overflow-wrap:anywhere;word-break:break-word}
.bk-cm-text.is-gone{color:var(--text-muted);font-style:italic}
.bk-cm-acts{display:flex;gap:.9rem;align-items:center;margin:.25rem 0 0 .4rem;font-size:.8rem}
.bk-cm-acts summary,.bk-cm-acts button{color:var(--text-muted);font-weight:600;cursor:pointer;background:none;border:0;padding:0;list-style:none}
.bk-cm-acts summary::-webkit-details-marker{display:none}
.bk-cm-acts summary:hover,.bk-cm-acts button:hover{color:var(--accent-2)}
.bk-cm-acts button.is-danger:hover{color:#dc2626}
.bk-cm-reply-form{margin-top:.5rem}
.bk-cm-replies{display:flex;flex-direction:column;gap:.75rem;margin-top:.75rem;padding-left:.25rem;border-left:2px solid var(--border-color);padding-left:.75rem}
.bk-cm-login{background:#f5f7fa;border-radius:12px;padding:1rem 1.1rem;font-size:.92rem;color:var(--text-secondary)}
.bk-cm-login a{color:var(--accent-2);font-weight:700}

/* ---------- Toast ---------- */
.bk-toast{position:fixed;left:50%;bottom:1.5rem;transform:translate(-50%,20px);background:#0f172a;color:#fff;padding:.65rem 1.1rem;border-radius:12px;font-size:.9rem;box-shadow:0 10px 30px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:2000;max-width:90vw}
.bk-toast.is-show{opacity:1;transform:translate(-50%,0)}
.bk-toast.is-error{background:#b91c1c}

/* ---------- เมนูสไลด์มือถือ: ส่วนสมาชิก ---------- */
.bk-offcanvas-member{border-top:1px solid rgba(255,255,255,.1);margin-top:.75rem;padding-top:.75rem;display:flex;flex-direction:column;gap:.35rem}
.bk-offcanvas-member .bk-offcanvas-link i{margin-right:.5rem}
.bk-offcanvas-member form{margin:0}
.bk-offcanvas-member form button{width:100%;text-align:left;background:none;border:0}