:root{--wa-green: #00a884;--wa-green-dark: #008069;--header: #008069;--bg: #eae6df;--panel: #ffffff;--panel-2: #f0f2f5;--border: #e9edef;--text: #111b21;--muted: #667781;--danger: #ea4335;--incoming: #ffffff;--outgoing: #d9fdd3;--chat-bg: #efeae2;--link: #027eb5}*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:Segoe UI,system-ui,-apple-system,Helvetica,sans-serif;background:var(--panel-2);color:var(--text);font-size:14px}.logo{width:40px;height:40px;flex:none}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 14px;border-radius:20px;transition:background .15s,border-color .15s}button:hover{background:var(--panel-2)}button.primary{background:var(--wa-green);border-color:var(--wa-green);color:#fff;border-radius:24px}button.primary:hover{background:var(--wa-green-dark)}button.danger{border-color:var(--danger);color:var(--danger);background:#fff}button.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}button.btn-danger:hover{background:#c62828;border-color:#c62828}button:disabled{opacity:.5;cursor:not-allowed}input,select{font:inherit;background:#fff;border:1px solid var(--border);color:var(--text);padding:9px 12px;border-radius:8px}input:focus,select:focus{outline:none;border-color:var(--wa-green)}a{color:var(--link)}.login-wrap{min-height:100vh;display:grid;place-items:center;background:#d1d7db;position:relative;padding:20px}.login-wrap:before{content:"";position:absolute;top:0;left:0;right:0;height:200px;background:var(--wa-green-dark)}.login-card{position:relative;background:#fff;border-radius:12px;padding:32px;width:340px;box-shadow:0 6px 24px #00000026}.login-card .brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.login-card .brand h1{font-size:18px;margin:0;font-weight:600}.login-card form{display:grid;gap:14px}.admin-link{position:fixed;bottom:16px;right:20px;background:transparent;border:none;color:#fff;opacity:.9}.admin-link:hover{background:transparent;text-decoration:underline}.err{color:var(--danger);min-height:0}.hint{color:var(--muted);font-size:12px}.app{display:grid;grid-template-rows:auto 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var(--border);display:grid;grid-template-rows:auto auto 1fr;min-height:0;background:#fff}.sidebar .section{padding:10px 12px;border-bottom:1px solid var(--border);display:grid;gap:8px}.row{display:flex;gap:8px;align-items:center}.row>*{min-width:0}.grow{flex:1}.chat-list{overflow-y:auto}.chat-item{padding:10px 14px;border-bottom:1px solid var(--border);cursor:pointer;display:flex;align-items:center;gap:12px}.chat-item:hover{background:var(--panel-2)}.chat-item.active{background:#f0f2f5}.chat-main{flex:1;min-width:0;display:grid;gap:3px}.chat-del{flex:none;background:transparent;border:none;font-size:16px;opacity:0;padding:4px 6px}.chat-item:hover .chat-del{opacity:.6}.chat-del:hover{opacity:1;color:var(--danger);background:transparent}.chat-item .name{font-weight:600;display:flex;justify-content:space-between;gap:8px}.chat-item .preview{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item 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#00000021;font-size:14px}.bubble.incoming{align-self:flex-start;background:var(--incoming);border-top-left-radius:0}.bubble.outgoing{align-self:flex-end;background:var(--outgoing);border-top-right-radius:0}.bubble .m-meta{font-size:11px;color:var(--muted);margin-top:2px;display:flex;gap:6px;align-items:center;justify-content:flex-end}.bubble .m-sender{font-size:12.5px;font-weight:600;color:var(--wa-green-dark);margin-bottom:2px}.bubble img{max-width:100%;border-radius:6px;display:block;margin-bottom:4px}.bubble a{color:var(--link)}.avatar{border-radius:50%;flex:none;overflow:hidden;display:grid;place-items:center;background:#dfe5e7;color:#54656f;font-weight:600}.avatar img{width:100%;height:100%;object-fit:cover;display:block}.msg-row{display:flex;align-items:flex-end;gap:8px;width:100%}.msg-row.outgoing{justify-content:flex-end}.msg-row.incoming{justify-content:flex-start}.msg-del{font-size:17px;background:transparent;border:none;padding:4px;opacity:.55;align-self:center}.msg-del:hover{opacity:1;color:var(--danger);background:transparent}.composer{display:flex;gap:10px;padding:10px 16px;border-top:1px solid var(--border);background:var(--panel-2);align-items:center;position:relative}.composer input[type=text]{flex:1;border-radius:22px}#btn-emoji,#btn-attach{font-size:18px;padding:6px 10px}img.emoji{height:1.25em;width:1.25em;vertical-align:-.22em;margin:0 1px}.bubble .sticker{width:128px;height:auto;box-shadow:none;background:transparent}.m-fallback{color:var(--muted);font-style:italic;font-size:13px}.emoji-panel{position:absolute;bottom:calc(100% + 6px);left:12px;width:min(340px,calc(100% - 24px));max-height:240px;overflow-y:auto;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 6px 24px #0000002e;padding:8px;display:grid;grid-template-columns:repeat(8,1fr);gap:2px;z-index:20}.emoji-btn{border:none;background:transparent;font-size:20px;line-height:1;padding:5px;border-radius:6px}.emoji-btn:hover{background:var(--panel-2)}.emoji-btn img.emoji{height:22px;width:22px;vertical-align:middle}.empty{display:grid;place-items:center;color:var(--muted);height:100%;text-align:center;padding:20px;background:var(--panel-2)}.qr-box{display:grid;gap:8px;justify-items:center;padding:12px}.qr-box img{width:260px;height:260px;background:#fff;border-radius:8px;padding:6px;image-rendering:pixelated}.code{font-family:ui-monospace,monospace;font-size:22px;letter-spacing:3px;background:var(--panel-2);padding:8px 14px;border-radius:8px}.mock-warn{background:#fff3cd;border:1px solid #ffe08a;color:#7a5c00;padding:8px 10px;border-radius:6px;font-size:12px;line-height:1.4}.mock-warn code{background:#0000000f;padding:1px 4px;border-radius:3px}.toast{position:fixed;bottom:16px;right:16px;background:#fff;border:1px solid var(--border);box-shadow:0 4px 16px #00000026;padding:10px 14px;border-radius:8px;max-width:340px;z-index:100}.toast.error{border-color:var(--danger);color:var(--danger)}.admin-body{padding:20px;overflow-y:auto;display:grid;gap:18px;align-content:start;max-width:1000px;margin:0 auto;width:100%;background:var(--panel-2)}.panel-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px;box-shadow:0 1px 3px #0000000d}.panel-card h2{margin:0 0 12px;font-size:15px}.form-grid{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:8px}.tbl{width:100%;border-collapse:collapse;font-size:13px}.tbl th,.tbl td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}.tbl 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.tab.active{color:var(--wa-green-dark);border-bottom-color:var(--wa-green);font-weight:600}.modal-body label{font-weight:600;margin-top:8px;font-size:13px}.wh-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--border)}.wh-main{flex:1;min-width:0;display:grid;gap:6px}.wh-url{font-weight:600;word-break:break-all}.wh-off{color:var(--danger);font-weight:400;font-size:12px}.wh-events{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center;font-size:12.5px}.wh-evt{display:inline-flex;align-items:center;gap:4px;color:var(--text);cursor:pointer}.wh-evt input{margin:0}.copy-row{display:flex;gap:8px;align-items:center}.copy-row code{flex:1;overflow-x:auto;background:var(--panel-2);padding:6px 10px;border-radius:6px;white-space:nowrap}.term{background:#0b0f14!important;color:#22c55e;border:1px solid #1b2733;font-family:ui-monospace,SF Mono,Menlo,monospace}.code-block{background:#0b0f14;border:1px solid #1b2733;border-radius:8px;padding:14px 16px;overflow-x:auto;font-size:12.5px;line-height:1.6;color:#22c55e;font-family:ui-monospace,SF Mono,Menlo,monospace;box-shadow:inset 0 0 0 9999px transparent}.modal-lg{width:min(860px,100%)}.docs{line-height:1.6}.docs h3{margin:22px 0 6px;font-size:15px;color:var(--wa-green-dark);border-bottom:1px solid var(--border);padding-bottom:4px}.docs p{margin:6px 0}.docs ul{margin:6px 0;padding-left:20px}.docs li{margin:3px 0}.docs code{background:var(--panel-2);padding:1px 5px;border-radius:4px;font-size:12.5px}.docs code.term{background:#0b0f14;color:#22c55e}