.customer-shell{height:100vh;height:100dvh;display:flex;flex-direction:column;background:var(--cs-bg)}.customer-loading,.customer-error{flex:1;display:grid;place-items:center;padding:24px}.customer-loading{flex-direction:column;gap:12px;color:var(--cs-muted)}.customer-error-card{max-width:360px;padding:32px 28px;text-align:center;background:var(--cs-panel);border:1px solid var(--cs-line);border-radius:16px;box-shadow:var(--cs-shadow)}.customer-error-card h2{margin:8px 0;font-size:16px;color:var(--cs-ink)}.customer-error-card .hint{margin:0;font-size:12px;color:var(--cs-muted)}.customer-chat{flex:1;display:flex;flex-direction:column;min-height:0;max-width:720px;width:100%;margin:0 auto;background:var(--cs-panel);border-left:1px solid var(--cs-line);border-right:1px solid var(--cs-line)}.customer-chat-header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--cs-line);background:var(--cs-panel);padding-top:calc(12px + env(safe-area-inset-top))}.customer-chat-header .back-btn{border:0;background:transparent;font-size:20px;cursor:pointer;color:var(--cs-ink);padding:4px 6px;border-radius:6px}.customer-chat-header .back-btn:hover{background:var(--cs-primary-soft)}.customer-chat-header .info{flex:1;min-width:0}.customer-chat-header .info h1{margin:0;font-size:16px;display:flex;align-items:center;gap:8px}.customer-chat-header .info p{margin:2px 0 0;font-size:12px;color:var(--cs-muted)}.cs-online-dot{width:8px;height:8px;border-radius:50%;background:var(--cs-green);display:inline-block}.cs-offline-dot{width:8px;height:8px;border-radius:50%;background:#c3c9d6;display:inline-block}.customer-context{padding:10px 16px;background:var(--cs-primary-soft);border-bottom:1px solid var(--cs-line)}.customer-context .context-title{margin:0 0 6px;font-size:12px;font-weight:600;color:var(--cs-primary)}.customer-messages{flex:1;overflow-y:auto;padding:16px;min-height:0}.customer-messages .load-more{width:100%;border:0;background:transparent;color:var(--cs-muted);font-size:12px;padding:6px 0 10px;cursor:pointer}.customer-messages .load-more:hover{color:var(--cs-primary)}.cs-closed-banner{margin:0 16px 10px;padding:10px 14px;border-radius:8px;background:var(--cs-red-soft);color:var(--cs-red);font-size:13px;display:flex;align-items:center;justify-content:space-between;gap:10px}.customer-compose{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--cs-line);background:var(--cs-panel)}.customer-compose .upload-btn{flex-shrink:0;width:36px;height:36px;border:0;border-radius:8px;background:var(--cs-primary-soft);color:var(--cs-primary);font-size:18px;cursor:pointer}.customer-compose .el-input__wrapper{border-radius:18px}.customer-compose .send-btn{flex-shrink:0;border-radius:18px}.customer-start{flex:1;overflow-y:auto;max-width:720px;width:100%;margin:0 auto;padding:20px 16px calc(20px + env(safe-area-inset-bottom))}.customer-start .merchant-head{display:flex;align-items:center;gap:14px;padding:18px;margin-bottom:16px}.customer-start .merchant-head img{width:52px;height:52px;border-radius:14px;object-fit:cover}.customer-start .merchant-head h1{margin:0;font-size:18px}.customer-start .merchant-head p{margin:4px 0 0;font-size:12px;color:var(--cs-muted)}.cs-section-title{margin:18px 4px 10px;font-size:13px;font-weight:700;color:var(--cs-ink)}.cs-type-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cs-type-card{padding:16px 14px;border:1px solid var(--cs-line);border-radius:12px;background:var(--cs-panel);cursor:pointer;text-align:left;transition:all .15s}.cs-type-card:hover{border-color:var(--cs-primary);box-shadow:var(--cs-shadow)}.cs-type-card.active{border-color:var(--cs-primary);background:var(--cs-primary-soft)}.cs-type-card em{display:block;margin-bottom:6px;font-style:normal;font-size:22px}.cs-type-card strong{display:block;font-size:14px;margin-bottom:4px}.cs-type-card span{font-size:12px;color:var(--cs-muted)}.cs-select-list{display:flex;flex-direction:column;gap:10px}.cs-select-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--cs-line);border-radius:12px;background:var(--cs-panel);cursor:pointer;transition:all .15s}.cs-select-item:hover,.cs-select-item.active{border-color:var(--cs-primary);background:var(--cs-primary-soft)}.cs-select-item img{width:48px;height:48px;border-radius:8px;object-fit:cover}.cs-select-item .cs-select-info{flex:1;min-width:0}.cs-select-item .cs-select-info strong{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cs-select-item .cs-select-info span{font-size:12px;color:var(--cs-muted)}.cs-select-item .cs-select-info em{font-style:normal;font-size:14px;font-weight:700;color:var(--cs-orange)}.cs-start-btn{width:100%;margin-top:18px;height:44px;border-radius:22px;font-size:15px}.cs-history-list{display:flex;flex-direction:column;gap:8px}.cs-history-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border:1px solid var(--cs-line);border-radius:12px;background:var(--cs-panel);cursor:pointer}.cs-history-item:hover{border-color:var(--cs-primary)}.cs-history-item .left{min-width:0}.cs-history-item .left strong{display:block;font-size:13px}.cs-history-item .left span{display:block;margin-top:3px;font-size:12px;color:var(--cs-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cs-history-item .right{flex-shrink:0;display:flex;align-items:center;gap:8px;font-size:11px;color:var(--cs-muted)}.cs-empty{padding:32px 16px;text-align:center;color:var(--cs-muted);font-size:13px}