/* ChatDesk — 60:30:10 (white / navy / indigo) */

:root{
  --white:#fff; --bg:#f4f6fb; --navy:#0f2547; --ink:#0f172a;
  --muted:#64748b; --line:#e2e8f0; --indigo:#4f46e5; --indigo-dark:#4338ca;
  --indigo-soft:#eef2ff; --ok:#16a34a; --danger:#e11d48; --warn:#d97706;
  --line-green:#06c755;
  --font:'Inter','IBM Plex Sans Thai',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
/* ต้องมาก่อนกฎ display อื่น ๆ ไม่งั้น display:flex จะทับ [hidden] ของเบราว์เซอร์ */
[hidden]{display:none !important}
html,body{height:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;
     display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}
a{color:var(--indigo-dark);text-decoration:none}

/* ---------------------------------- login --------------------------------- */
.login-page{display:grid;place-items:center;min-height:100vh;padding:24px}
.login-card{background:#fff;border-radius:18px;padding:36px 32px;width:100%;max-width:360px;
            text-align:center;box-shadow:0 18px 50px rgba(15,37,71,.12)}
.login-card .logo{font-size:38px}
.login-card h1{margin:10px 0 2px;font-size:20px;color:var(--navy)}
.login-card .sub{margin:0 0 22px;color:var(--muted);font-size:13px}
.login-card input{width:100%;font-family:inherit;font-size:15px;padding:12px 14px;margin-bottom:10px;
                  border:1px solid var(--line);border-radius:11px;background:#f8fafc;outline:none}
.login-card input:focus{border-color:#c7d2fe;background:#fff;box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.login-card button{width:100%;font-family:inherit;font-size:15px;font-weight:600;padding:12px;border:0;
                   border-radius:11px;background:var(--indigo);color:#fff;cursor:pointer;margin-top:6px}
.login-card button:hover{background:var(--indigo-dark)}
.alert{background:#fff1f2;color:#9f1239;border:1px solid #fecdd3;border-radius:10px;padding:10px;
       font-size:13px;margin-bottom:14px}

/* --------------------------------- topbar --------------------------------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
        background:var(--navy);color:#fff;padding:13px 20px;flex:0 0 auto}
.brand{font-weight:600;font-size:16px;display:flex;align-items:center;gap:8px}
.brand small{font-weight:400;color:#93a4c0;font-size:12px}
.topright{display:flex;align-items:center;gap:12px}
.live{display:flex;align-items:center;gap:7px;font-size:12.5px;color:#b9c6dc}
.dot{width:7px;height:7px;border-radius:50%;background:#94a3b8}
.dot.on{background:var(--ok)}
.dot.err{background:var(--danger)}
.topright a{color:#dbe3f0;font-size:13px;padding:7px 12px;border-radius:9px;background:rgba(255,255,255,.08)}
.topright a:hover{background:rgba(255,255,255,.18);color:#fff}
.topright a.danger{background:rgba(225,29,72,.22);color:#ffe4e6}

.setup-warn{background:#fef3c7;color:#92400e;font-size:13px;padding:11px 20px;border-bottom:1px solid #fde68a}
.setup-warn code{background:rgba(146,64,14,.12);padding:1px 6px;border-radius:5px;font-size:12px}

/* --------------------------------- layout --------------------------------- */
.layout{flex:1;display:grid;grid-template-columns:340px 1fr;gap:14px;padding:14px 16px;min-height:0}
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;min-height:0}

/* ------------------------------ รายการห้องแชท ------------------------------ */
.list-head{padding:12px 14px;border-bottom:1px solid var(--line)}
.list-head input{width:100%;font-family:inherit;font-size:14px;padding:9px 12px;border:1px solid var(--line);
                 border-radius:10px;background:#f8fafc;outline:none}
.list-head input:focus{border-color:#c7d2fe;background:#fff}

.tabs{display:flex;gap:4px;padding:9px 10px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;cursor:pointer;border:0;background:transparent;font-family:inherit;font-size:12.5px;
     color:var(--muted);padding:6px 10px;border-radius:8px;display:flex;align-items:center;gap:6px}
.tab:hover{background:#f1f5f9}
.tab.on{background:var(--indigo-soft);color:var(--indigo-dark);font-weight:600}
.tab .n{background:#e2e8f0;color:#475569;font-size:11px;padding:0 6px;border-radius:99px;min-width:18px;text-align:center}
.tab.on .n{background:var(--indigo);color:#fff}

.conv-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}
.conv-list li{border-bottom:1px solid #f1f5f9;cursor:pointer;padding:11px 14px;display:flex;gap:11px;
              transition:background .12s}
.conv-list li:hover{background:#f8fafc}
.conv-list li.on{background:var(--indigo-soft);box-shadow:inset 3px 0 0 var(--indigo)}
.conv-list .av{width:38px;height:38px;flex:0 0 auto;border-radius:50%;background:#e2e8f0;display:grid;
               place-items:center;font-size:16px;overflow:hidden}
.conv-list .av img{width:100%;height:100%;object-fit:cover}
.conv-list .body{flex:1;min-width:0}
.conv-list .r1{display:flex;align-items:center;gap:6px}
.conv-list .r1 b{font-size:14px;font-weight:600;color:var(--navy);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv-list .r1 .t{margin-left:auto;font-size:11px;color:var(--muted);flex:0 0 auto}
.conv-list .r2{font-size:12.5px;color:#475569;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.badge{background:var(--danger);color:#fff;font-size:11px;font-weight:600;padding:0 6px;border-radius:99px;
       min-width:18px;text-align:center;flex:0 0 auto}
.pill{font-size:10.5px;padding:1px 7px;border-radius:99px;flex:0 0 auto}
.pill.human{background:#fff7ed;color:#9a3412;border:1px solid #fed7aa}
.pill.bot{background:var(--indigo-soft);color:var(--indigo-dark);border:1px solid #c7d2fe}
.empty{padding:40px 16px;text-align:center;color:var(--muted)}

/* ---------------------------------- แชท ----------------------------------- */
.chat-panel{position:relative}
.placeholder{margin:auto;text-align:center;color:var(--muted);padding:40px}
.ph-icon{font-size:36px;margin-bottom:10px}
.placeholder p{line-height:1.8;margin:0}

.chat-wrap{display:flex;flex-direction:column;flex:1;min-height:0}
.chat-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
           padding:12px 16px;border-bottom:1px solid var(--line);background:#fbfcfe;flex:0 0 auto}
.who{display:flex;align-items:center;gap:11px;min-width:0}
.who .avatar{width:40px;height:40px;border-radius:50%;background:var(--line-green);color:#fff;display:grid;
             place-items:center;font-size:18px;overflow:hidden;flex:0 0 auto}
.who .avatar img{width:100%;height:100%;object-fit:cover}
.who h2{margin:0;font-size:15.5px;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who p{margin:2px 0 0;font-size:12px;color:var(--muted)}
.head-actions{display:flex;gap:7px;flex-wrap:wrap}
.btn{font-family:inherit;font-size:12.5px;padding:7px 12px;border-radius:9px;border:1px solid var(--line);
     background:#fff;color:var(--navy);cursor:pointer;transition:background .12s}
.btn:hover{background:#f1f5f9}
.btn.danger{background:#fff1f2;border-color:#fecdd3;color:#9f1239}
.btn.danger:hover{background:#ffe4e6}
.bot-btn{border-color:#c7d2fe;background:var(--indigo-soft);color:var(--indigo-dark);font-weight:500}
.bot-btn.off{background:#fff7ed;border-color:#fed7aa;color:#9a3412}

.thread{flex:1;overflow-y:auto;padding:18px 18px 6px;display:flex;flex-direction:column;gap:12px;min-height:0;
        background:radial-gradient(circle at 12% 0%,rgba(79,70,229,.04),transparent 40%)}
.msg{max-width:74%;display:flex;flex-direction:column}
.msg.customer{align-self:flex-start;align-items:flex-start}
.msg.bot,.msg.agent{align-self:flex-end;align-items:flex-end}
.msg.system{align-self:center;align-items:center;max-width:90%}
.bubble{padding:10px 14px;border-radius:15px;font-size:14.5px;line-height:1.65;word-wrap:break-word;overflow-wrap:anywhere}
.msg.customer .bubble{background:#f1f4f9;border-bottom-left-radius:5px}
.msg.bot .bubble{background:var(--indigo);color:#fff;border-bottom-right-radius:5px}
.msg.agent .bubble{background:var(--line-green);color:#fff;border-bottom-right-radius:5px}
.msg.system .bubble{background:#fffbeb;color:#92400e;font-size:12.5px;padding:6px 12px;border-radius:99px}
.msg.err .bubble{background:#fff1f2;color:#9f1239;border:1px solid #fecdd3}
.bubble a{color:inherit;text-decoration:underline}
.msg.customer .bubble a{color:var(--indigo-dark)}
.meta{font-size:11px;color:var(--muted);margin:4px 3px 0;display:flex;align-items:center;gap:6px}
.tag{font-size:10.5px;padding:0 6px;border-radius:99px;background:#e2e8f0;color:#475569}
.tag.bot{background:var(--indigo-soft);color:var(--indigo-dark)}
.tag.agent{background:#dcfce7;color:#166534}
.err-note{font-size:11.5px;color:var(--danger);margin-top:3px}

.composer{flex:0 0 auto;display:flex;align-items:flex-end;gap:10px;padding:12px 16px 6px;border-top:1px solid var(--line)}
.composer textarea{flex:1;resize:none;font-family:inherit;font-size:14.5px;line-height:1.55;padding:10px 14px;
                   border:1px solid var(--line);border-radius:13px;background:#f8fafc;max-height:130px;outline:none;
                   overflow-y:hidden}
.composer textarea:focus{border-color:#c7d2fe;background:#fff;box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.composer button{width:42px;height:42px;flex:0 0 auto;border:0;border-radius:13px;cursor:pointer;
                 background:var(--line-green);color:#fff;display:grid;place-items:center;transition:filter .12s}
.composer button:hover:not(:disabled){filter:brightness(.92)}
.composer button:disabled{background:#c7cbd6;cursor:not-allowed}
.composer button svg{width:18px;height:18px}
.composer-note{margin:0;padding:0 18px 12px;font-size:11.5px;color:var(--muted)}

/* --------------------------------- toast ---------------------------------- */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:50;
       background:var(--navy);color:#fff;padding:11px 18px;border-radius:12px;font-size:13.5px;
       box-shadow:0 12px 34px rgba(15,37,71,.28);max-width:90vw}
.toast.bad{background:#9f1239}
.toast[hidden]{display:none}

@media (max-width:900px){
  .layout{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .list-panel{max-height:38vh}
  .msg{max-width:88%}
}

/* ======================= v2 — ป้ายและแท็บแยกช่องทาง ======================= */

:root{
  --ch-line:#06c755; --ch-facebook:#0084ff; --ch-whatsapp:#25d366; --ch-web:#6366f1;
}

/* ---- แท็บเลือกช่องทาง (แถวบนสุดของรายการ) ---- */
.chan-tabs{display:flex;gap:5px;padding:9px 10px;border-bottom:1px solid var(--line);
           overflow-x:auto;scrollbar-width:none;background:#fafbfe}
.chan-tabs::-webkit-scrollbar{display:none}
.chan{flex:0 0 auto;cursor:pointer;border:1px solid var(--line);background:#fff;font-family:inherit;
      font-size:12px;color:var(--muted);padding:5px 10px;border-radius:99px;
      display:flex;align-items:center;gap:5px;white-space:nowrap}
.chan:hover{background:#f1f5f9}
.chan .n{background:#e2e8f0;color:#475569;font-size:10.5px;padding:0 5px;border-radius:99px;min-width:16px;text-align:center}
.chan.on{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.chan.on .n{background:rgba(255,255,255,.22);color:#fff}
.chan.ch-line.on{background:var(--ch-line);border-color:var(--ch-line)}
.chan.ch-facebook.on{background:var(--ch-facebook);border-color:var(--ch-facebook)}
.chan.ch-whatsapp.on{background:var(--ch-whatsapp);border-color:var(--ch-whatsapp)}
.chan.ch-web.on{background:var(--ch-web);border-color:var(--ch-web)}

/* ---- จุดบอกช่องทางมุมรูปโปรไฟล์ในรายการ ---- */
.conv-list .av{position:relative}
.av-chan{position:absolute;right:-3px;bottom:-3px;width:17px;height:17px;border-radius:50%;
         background:#fff;border:1.5px solid #fff;box-shadow:0 1px 3px rgba(15,37,71,.25);
         display:flex;align-items:center;justify-content:center;font-size:9.5px;line-height:1}

/* ---- ป้ายช่องทางบนหัวห้องแชท ---- */
.head-chan{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:500;
           padding:2px 8px;border-radius:99px;vertical-align:middle;margin-left:6px;
           background:#f1f5f9;color:#475569;border:1px solid var(--line)}
.head-chan.ch-line{background:#e7faf0;color:#046c33;border-color:#a7f3cd}
.head-chan.ch-facebook{background:#e7f1ff;color:#0b4f9e;border-color:#bfdbfe}
.head-chan.ch-whatsapp{background:#e7fbef;color:#0b6b38;border-color:#a7f3d0}
.head-chan.ch-web{background:var(--indigo-soft);color:var(--indigo-dark);border-color:#c7d2fe}