:root{
  --messenger-blue:#0084ff;
  --messenger-blue-dark:#006fd6;
  --messenger-bg:#ffffff;
  --messenger-soft:#f0f2f5;
  --messenger-soft-2:#f7f8fa;
  --messenger-line:#e4e6eb;
  --messenger-text:#050505;
  --messenger-muted:#65676b;
  --messenger-green:#31a24c;
  --pra-navy:#123b6d;
  --pra-gold:#d7a73d;
  --shadow:0 10px 35px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Arial,"Noto Sans Thai",sans-serif;color:var(--messenger-text);background:var(--messenger-bg)}
a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.messenger-body{overflow:hidden}
.pra-avatar{width:48px;height:48px;flex:0 0 48px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#dfeeff,#f3f7fb);border:1px solid #d9e1ea;color:var(--pra-navy);font-weight:800;font-size:16px;overflow:hidden}.pra-avatar.is-brand{background:linear-gradient(145deg,var(--pra-navy),#071f3c);border-color:#345f91;color:#f6d886;box-shadow:inset 0 0 0 2px rgba(255,255,255,.08)}.pra-avatar.is-counterpart{width:42px;height:42px;flex-basis:42px}.pra-avatar.is-large{width:76px;height:76px;flex-basis:76px;font-size:25px;margin-bottom:6px}

.pra-avatar img,.message-avatar img{width:100%;height:100%;display:block;object-fit:cover;border-radius:inherit}
.messenger-shell{height:100dvh;display:grid;grid-template-columns:360px minmax(0,1fr);background:#fff;overflow:hidden}.messenger-sidebar{min-width:0;display:flex;flex-direction:column;border-right:1px solid var(--messenger-line);background:#fff;overflow:hidden}.messenger-sidebar-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:10px 16px}.messenger-sidebar-title{display:flex;align-items:center;gap:11px;min-width:0}.messenger-sidebar-title>div{display:flex;flex-direction:column}.messenger-sidebar-title strong{font-size:24px;line-height:1.05}.messenger-sidebar-title small{display:block;max-width:230px;font-size:11px;color:var(--messenger-muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}.messenger-round-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--messenger-soft);color:#2d333a;font-weight:800;font-size:18px;transition:.14s ease}.messenger-round-btn:hover{background:#e4e6eb}.messenger-search-wrap{margin:0 12px 8px;height:36px;border-radius:18px;background:var(--messenger-soft);display:grid;grid-template-columns:32px minmax(0,1fr);align-items:center;padding:0 10px;color:var(--messenger-muted)}.messenger-search-wrap span{font-size:17px;text-align:center}.messenger-search-wrap input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--messenger-text)}.messenger-thread-list{flex:1;overflow-y:auto;padding:2px 8px 14px}.messenger-thread-item{position:relative;display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px;border-radius:10px;min-height:68px}.messenger-thread-item:hover{background:var(--messenger-soft-2)}.messenger-thread-item.is-active{background:#eaf3ff}.messenger-thread-item.has-unread .messenger-thread-preview,.messenger-thread-item.has-unread .messenger-thread-top strong{font-weight:800;color:#050505}.messenger-thread-item .pra-avatar{width:52px;height:52px;flex-basis:52px;font-size:17px}.messenger-thread-copy{min-width:0}.messenger-thread-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.messenger-thread-top strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.messenger-thread-top time{font-size:10px;color:var(--messenger-muted);white-space:nowrap}.messenger-thread-preview{display:block;margin-top:4px;font-size:12px;color:var(--messenger-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.messenger-unread-dot{min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:var(--messenger-blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:800}.messenger-sidebar-empty{padding:28px 15px;text-align:center;color:var(--messenger-muted);font-size:12px}
.messenger-chat-panel{min-width:0;height:100dvh;display:flex;flex-direction:column;background:#fff;overflow:hidden}.messenger-chat-head{height:64px;flex:0 0 64px;display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid var(--messenger-line);box-shadow:0 1px 2px rgba(0,0,0,.03);background:rgba(255,255,255,.98);z-index:20}.messenger-mobile-back{display:none;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;color:var(--messenger-blue);font-size:34px;line-height:1}.messenger-chat-person{min-width:0;flex:1;display:flex;flex-direction:column}.messenger-chat-person strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-connection{font-size:10px;color:var(--messenger-muted);margin-top:3px}.chat-connection.is-online{color:var(--messenger-green)}.chat-connection.is-error{color:#d93025}.messenger-head-actions{display:flex;align-items:center;gap:7px}.messenger-language-select{height:36px;border-radius:18px;background:var(--messenger-soft);display:flex;align-items:center;gap:3px;padding:0 4px 0 10px;color:var(--messenger-blue);font-weight:800}.messenger-language-select>span{font-size:12px}.messenger-language-select select{border:0;outline:0;background:transparent;color:#1c1e21;font-size:11px;font-weight:800;padding:0 5px;cursor:pointer}.messenger-inbox-link{display:none}
.messenger-language-note{min-height:30px;flex:0 0 auto;display:flex;justify-content:center;align-items:center;gap:14px;padding:5px 12px;background:#fff;color:var(--messenger-muted);font-size:9px;border-bottom:1px solid #f2f2f2}.messenger-language-note strong{color:#2d333a}
.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:18px max(16px,calc((100% - 820px)/2)) 28px;background:#fff;scroll-behavior:smooth}.chat-empty{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:34px;color:var(--messenger-muted)}.chat-empty strong{font-size:18px;color:#1c1e21;margin-top:4px}.chat-empty span{max-width:420px;margin-top:7px;font-size:11px;line-height:1.6}.chat-day{display:flex;justify-content:center;margin:13px 0}.chat-day span{font-size:9px;font-weight:700;color:#8a8d91;background:#fff;padding:3px 8px}
.chat-bubble-row{display:flex;align-items:flex-end;gap:7px;margin:2px 0;min-width:0}.chat-bubble-row.mine{justify-content:flex-end}.chat-bubble-row.theirs{justify-content:flex-start}.message-avatar{width:28px;height:28px;flex:0 0 28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e2ecf8;color:var(--pra-navy);border:1px solid #d6e1ed;font-size:10px;font-weight:800}.chat-bubble{max-width:min(72%,620px);padding:8px 11px;border-radius:18px;background:var(--messenger-soft);color:#050505;overflow:hidden}.chat-bubble-row.mine .chat-bubble{background:var(--messenger-blue);color:#fff}.chat-message-label{font-size:8px;font-weight:800;letter-spacing:.01em;color:#7a7d81;margin-bottom:3px}.chat-bubble-row.mine .chat-message-label{color:rgba(255,255,255,.72)}.chat-text{font-size:13px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}.chat-secondary-text{margin-top:7px;padding-top:7px;border-top:1px solid rgba(0,0,0,.08)}.chat-bubble-row.mine .chat-secondary-text{border-top-color:rgba(255,255,255,.22)}.chat-secondary-text .chat-text{font-size:11px;line-height:1.45;opacity:.9}.chat-translation-state{margin-top:6px;font-size:9px;opacity:.74}.chat-meta{display:flex;justify-content:flex-end;gap:7px;margin-top:5px;font-size:8px;color:#8a8d91}.chat-bubble-row.mine .chat-meta{color:rgba(255,255,255,.74)}.chat-read{font-weight:700}.chat-read::before{content:'✓✓ ';font-size:8px}
.chat-message-product{display:grid;grid-template-columns:64px minmax(0,1fr) 16px;gap:9px;align-items:center;margin:-4px -7px 8px;padding:7px;border-radius:14px;background:#fff;border:1px solid #dde2e8;color:#1c1e21;box-shadow:0 1px 2px rgba(0,0,0,.04)}.chat-bubble-row.mine .chat-message-product{background:#fff;color:#1c1e21;border-color:rgba(255,255,255,.8)}.chat-message-product img{width:64px;height:64px;object-fit:cover;border-radius:11px;background:#f0f2f5}.chat-message-product>span{min-width:0;display:flex;flex-direction:column;gap:2px}.chat-message-product small{font-size:8px;color:#8a8d91}.chat-message-product strong{font-size:11px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.chat-message-product em{margin-top:3px;font-size:9px;font-style:normal;color:var(--messenger-blue);font-weight:800}.chat-message-product b{font-size:20px;color:#8a8d91;font-weight:400;text-align:center}
.chat-composer{flex:0 0 auto;display:grid;grid-template-columns:minmax(0,1fr) 40px;gap:8px;align-items:end;padding:9px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid #f0f0f0;background:#fff}.chat-composer textarea{width:100%;min-height:40px;max-height:120px;resize:none;border:0;outline:0;border-radius:20px;background:var(--messenger-soft);color:#050505;padding:10px 14px;line-height:1.45;font-size:13px}.chat-composer textarea::placeholder{color:#8a8d91}.chat-composer button{width:40px;height:40px;border:0;border-radius:50%;display:flex;align-items:center;justify-content:center;background:transparent;color:var(--messenger-blue);font-size:24px;cursor:pointer}.chat-composer button:hover{background:#eef5ff}.chat-composer button:disabled{opacity:.45;cursor:not-allowed}
.chat-centered-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:22px;background:linear-gradient(180deg,#f6f9fd,#fff)}.chat-state-card,.chat-login-card{width:min(100%,440px);padding:26px;border:1px solid var(--messenger-line);border-radius:20px;background:#fff;box-shadow:var(--shadow);text-align:center}.chat-state-icon{width:68px;height:68px;border-radius:50%;margin:0 auto 13px;display:flex;align-items:center;justify-content:center;background:#eaf3ff;color:var(--messenger-blue);font-size:28px}.chat-state-card h1,.chat-login-card h1{margin:4px 0 8px;font-size:21px}.chat-state-card p,.chat-login-card p{margin:0 0 17px;color:var(--messenger-muted);font-size:12px;line-height:1.6}.chat-primary-link,.chat-login-card button{min-height:42px;border:0;border-radius:21px;background:var(--messenger-blue);color:#fff;font-weight:800;padding:0 18px;display:inline-flex;align-items:center;justify-content:center}.chat-login-card{display:flex;flex-direction:column;gap:10px}.chat-login-card label{text-align:left;color:#4b4f56;font-size:11px;font-weight:700}.chat-login-card input{width:100%;height:42px;margin-top:5px;border:1px solid var(--messenger-line);border-radius:10px;padding:0 12px;outline:0;background:#f7f8fa}.chat-login-card input:focus{border-color:#94c7ff;box-shadow:0 0 0 3px rgba(0,132,255,.10)}.chat-eyebrow{font-size:9px;font-weight:900;letter-spacing:.15em;color:var(--pra-gold)}.chat-register-link{font-size:11px;color:var(--messenger-blue);font-weight:800;padding:5px}
/* Standalone inbox keeps the same Messenger conversation-list language. */
.inbox-shell{min-height:100dvh;background:#fff}.inbox-topbar{height:64px;display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid var(--messenger-line)}.inbox-topbar .inbox-title{min-width:0;flex:1}.inbox-topbar strong{display:block;font-size:18px}.inbox-topbar small{display:block;margin-top:2px;font-size:10px;color:var(--messenger-muted)}.inbox-main{width:min(100%,720px);margin:0 auto;padding:12px 10px 40px}.inbox-heading{display:flex;align-items:center;justify-content:space-between;padding:8px 6px 10px}.inbox-heading h1{margin:0;font-size:20px}.inbox-heading small{font-size:10px;color:var(--messenger-muted)}.inbox-list{display:flex;flex-direction:column}.inbox-item{display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:10px;align-items:center;padding:9px 7px;border-radius:11px}.inbox-item:hover{background:var(--messenger-soft-2)}.inbox-item.has-unread{background:#f7fbff}.inbox-copy{min-width:0}.inbox-row-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.inbox-row-top strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.inbox-row-top time{font-size:10px;color:var(--messenger-muted);white-space:nowrap}.inbox-preview{font-size:12px;color:var(--messenger-muted);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.inbox-language{font-size:9px;color:#8a8d91;margin-top:4px}.inbox-badge{min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:var(--messenger-blue);color:#fff;font-size:9px;font-weight:800;display:flex;align-items:center;justify-content:center}.inbox-empty{margin-top:40px}
@media (max-width:820px){
  
.pra-avatar img,.message-avatar img{width:100%;height:100%;display:block;object-fit:cover;border-radius:inherit}
.messenger-shell{display:block;height:100dvh}.messenger-sidebar{display:none}.messenger-chat-panel{height:100dvh;width:100%}.messenger-chat-head{height:60px;flex-basis:60px;padding:7px 8px;gap:7px}.messenger-mobile-back{display:flex}.pra-avatar.is-counterpart{width:38px;height:38px;flex-basis:38px;font-size:13px}.messenger-chat-person strong{font-size:13px}.chat-connection{font-size:9px}.messenger-head-actions{gap:4px}.messenger-language-select{height:34px;padding-left:8px}.messenger-language-select select{font-size:10px;padding-right:2px}.messenger-inbox-link{display:flex;width:34px;height:34px;font-size:15px}.messenger-language-note{min-height:26px;gap:8px;font-size:8px;justify-content:flex-start;overflow:hidden;white-space:nowrap}.chat-messages{padding:14px 8px 20px}.chat-bubble{max-width:82%;padding:8px 10px}.message-avatar{width:26px;height:26px;flex-basis:26px}.chat-message-product{grid-template-columns:56px minmax(0,1fr) 14px}.chat-message-product img{width:56px;height:56px}.chat-composer{padding-left:8px;padding-right:8px}.chat-composer textarea{font-size:16px;min-height:40px;padding:8px 13px}.chat-composer button{width:38px;height:38px}}
@media (max-width:420px){.messenger-language-note span:last-child{display:none}.messenger-chat-person{max-width:calc(100vw - 190px)}.chat-bubble{max-width:86%}.chat-message-product{margin-left:-6px;margin-right:-6px}.chat-message-label{font-size:7.5px}.chat-text{font-size:13px}.chat-secondary-text .chat-text{font-size:10.5px}}

/* ============================================================
   DESKTOP MESSENGER EDGE ALIGNMENT — 2026-09-11
   Keep mobile rules untouched. On desktop, use the full chat
   canvas so incoming bubbles sit near the left edge and outgoing
   bubbles sit near the right edge, like Facebook Messenger.
   ============================================================ */
@media (min-width:821px){
  .chat-messages{
    padding:18px 22px 28px;
  }

  .chat-bubble-row{
    width:100%;
  }

  .chat-bubble-row.theirs{
    justify-content:flex-start;
    padding-right:18%;
  }

  .chat-bubble-row.mine{
    justify-content:flex-end;
    padding-left:18%;
  }

  .chat-bubble{
    max-width:min(58%,620px);
  }

  .chat-bubble-row.theirs .chat-bubble{
    margin-right:auto;
  }

  .chat-bubble-row.mine .chat-bubble{
    margin-left:auto;
  }

  .chat-day{
    width:100%;
  }
}