:root{--wa-green: #008069;--wa-green-dark: #075e54;--wa-teal: #25d366;--panel: #ffffff;--bg: #efeae2;--bubble-in: #ffffff;--bubble-out: #d9fdd3;--bubble-ext: #c8e6c9;--text: #111b21;--text-soft: #667781;--border: #e9edef;--row-hover: #f5f6f6;--row-active: #f0f2f5}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:#d1d7db}.boot{display:flex;height:100%;align-items:center;justify-content:center;color:var(--text-soft)}.app{display:flex;height:100%;max-width:1600px;margin:0 auto;background:var(--panel)}.sidebar{width:30%;min-width:300px;max-width:460px;border-right:1px solid var(--border);display:flex;flex-direction:column}.main{flex:1;min-width:0}.sidebar-header{height:60px;background:#f0f2f5;display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0}.sidebar-user{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text)}.status-dot{width:9px;height:9px;border-radius:50%;background:#b0b0b0}.status-dot.online{background:var(--wa-teal)}.status-dot.offline{background:#f1a33c}.logout-btn{background:none;border:none;color:var(--text-soft);cursor:pointer;font-size:14px}.logout-btn:hover{color:var(--wa-green)}.chatlist{display:flex;flex-direction:column;min-height:0;flex:1}.chatlist-search{padding:8px 12px;background:var(--panel)}.chatlist-search input{width:100%;border:none;background:#f0f2f5;border-radius:8px;padding:9px 14px;font-size:14px;outline:none}.chatlist-scroll{overflow-y:auto;flex:1}.chatlist-empty{padding:24px;color:var(--text-soft);text-align:center;font-size:14px}.chatrow{width:100%;display:flex;align-items:center;gap:12px;padding:10px 14px;border:none;background:none;cursor:pointer;text-align:left;border-bottom:1px solid #f2f2f2}.chatrow:hover{background:var(--row-hover)}.chatrow.active{background:var(--row-active)}.chatrow-main{flex:1;min-width:0}.chatrow-top{display:flex;justify-content:space-between;align-items:baseline}.chatrow-name{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chatrow-time{font-size:12px;color:var(--text-soft);flex-shrink:0;margin-left:8px}.chatrow-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:2px}.chatrow-preview{font-size:13px;color:var(--text-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{background:var(--wa-teal);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;margin-left:8px}.avatar{width:44px;height:44px;border-radius:50%;background:#6a7175;color:#fff;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:15px}.conversation{display:flex;flex-direction:column;height:100%;background:var(--bg)}.conversation.empty{align-items:center;justify-content:center}.conversation-placeholder{text-align:center;color:var(--text-soft)}.placeholder-logo{width:80px;height:80px;border-radius:50%;background:var(--wa-green);color:#fff;font-size:28px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.conversation-header{height:60px;background:#f0f2f5;display:flex;align-items:center;gap:12px;padding:0 16px;flex-shrink:0;border-bottom:1px solid var(--border)}.conversation-header .avatar{width:40px;height:40px;font-size:14px}.conversation-name{font-weight:600;font-size:15px}.conversation-sub{font-size:12px;color:var(--text-soft)}.conversation-scroll{flex:1;overflow-y:auto;padding:16px 8% 8px;display:flex;flex-direction:column;gap:2px}.day-divider{text-align:center;margin:12px 0}.day-divider span{background:#fff;color:var(--text-soft);font-size:12px;padding:5px 12px;border-radius:8px;box-shadow:0 1px .5px #00000021;text-transform:uppercase}.bubble-row{display:flex;margin:1px 0}.bubble-row.in{justify-content:flex-start}.bubble-row.out{justify-content:flex-end}.bubble{max-width:65%;padding:6px 9px 8px;border-radius:8px;position:relative;font-size:14.2px;line-height:1.32;box-shadow:0 1px .5px #00000021;word-wrap:break-word}.bubble.in{background:var(--bubble-in);border-top-left-radius:0}.bubble.out-agent{background:var(--bubble-out);border-top-right-radius:0}.bubble.out-ext{background:var(--bubble-ext);border-top-right-radius:0}.bubble-sender{font-size:11.5px;font-weight:700;color:var(--wa-green);margin-bottom:2px}.bubble-text{white-space:pre-wrap}.bubble-meta{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:2px}.bubble-time,.bubble-ack{font-size:11px;color:var(--text-soft)}.bubble-ack.read{color:#53bdeb}.bubble-image{max-width:320px;max-height:360px;border-radius:6px;display:block}.bubble-image-link{display:block}.bubble-audio{width:260px;margin:2px 0}.bubble-video{max-width:320px;border-radius:6px}.bubble-sticker{width:130px;height:130px;object-fit:contain}.bubble-doc{display:flex;align-items:center;gap:10px;background:#0000000d;border-radius:6px;padding:10px 12px;text-decoration:none;color:var(--text);margin-bottom:2px}.bubble-doc-icon{font-size:22px}.bubble-doc-name{font-size:13px;word-break:break-all}.bubble-loc{font-size:14px}.composer{background:#f0f2f5;padding:8px 14px;display:flex;align-items:flex-end;gap:10px;flex-shrink:0}.composer-attach{background:none;border:none;font-size:22px;cursor:pointer;color:var(--text-soft);padding:4px}.composer-input{flex:1;resize:none;border:none;border-radius:8px;padding:10px 14px;font-size:14.5px;font-family:inherit;outline:none;max-height:120px;line-height:1.3}.composer-send{background:var(--wa-green);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer}.composer-send:disabled{background:#a8c7bf;cursor:default}.login-screen{height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--wa-green-dark) 0 220px,#d1d7db 220px 100%)}.login-card{background:#fff;border-radius:12px;padding:36px 32px;width:340px;box-shadow:0 6px 24px #0000002e;display:flex;flex-direction:column;gap:14px}.login-brand{font-size:26px;font-weight:700;color:var(--wa-green);text-align:center}.login-sub{text-align:center;color:var(--text-soft);font-size:14px;margin-top:-8px;margin-bottom:6px}.login-input{border:1px solid var(--border);border-radius:8px;padding:12px 14px;font-size:15px;outline:none}.login-input:focus{border-color:var(--wa-green)}.login-error{color:#d93025;font-size:13px;text-align:center}.login-btn{background:var(--wa-green);color:#fff;border:none;border-radius:8px;padding:12px;font-size:15px;font-weight:600;cursor:pointer;margin-top:4px}.login-btn:disabled{background:#a8c7bf;cursor:default}@media(max-width:768px){.sidebar{width:100%;max-width:none;display:var(--side-display, flex)}.conversation-scroll{padding:12px 4% 8px}.bubble{max-width:82%}}