*{box-sizing:border-box;margin:0;padding:0}:root{--green: #0a7d43;--green-dark: #075e33;--bg: #f0f2f5;--panel: #fff;--border: #e4e6ea;--text: #111b21;--muted: #667781;--bubble-in: #ffffff;--bubble-out: #d9fdd3}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px}button{cursor:pointer;font-family:inherit}input,select,textarea,button{font-size:14px}.app-shell{display:flex;height:100vh}.side-nav{width:200px;background:#111b21;color:#cfd8dc;display:flex;flex-direction:column;padding:12px 0;flex-shrink:0}.side-nav .brand{color:#fff;font-weight:700;font-size:15px;padding:10px 16px 18px}.side-nav a{color:#cfd8dc;text-decoration:none;padding:10px 16px;display:block;border-left:3px solid transparent}.side-nav a.active{color:#fff;background:#ffffff14;border-left-color:#25d366}.side-nav .spacer{flex:1}.side-nav .userbox{padding:12px 16px;font-size:12px;color:#90a4ae;border-top:1px solid rgba(255,255,255,.1)}.side-nav .userbox button{background:none;border:1px solid #546e7a;color:#cfd8dc;border-radius:6px;padding:4px 10px;margin-top:8px}.page{flex:1;overflow:auto;padding:24px}.page h1{font-size:20px;margin-bottom:16px}.login-wrap{height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#075e33,#0a7d43 55%,#0c8f4d)}.login-card{background:#fff;border-radius:14px;padding:36px;width:380px;box-shadow:0 20px 60px #00000040}.login-card h1{font-size:20px;margin-bottom:4px}.login-card p{color:var(--muted);font-size:13px;margin-bottom:22px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px}.btn{background:var(--green);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-weight:600}.btn:hover{background:var(--green-dark)}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border);font-weight:400}.btn.small{padding:5px 10px;font-size:12px}.btn.danger{background:#c62828}.error-text{color:#c62828;font-size:13px;margin:8px 0}.ok-text{color:var(--green);font-size:13px;margin:8px 0}.inbox{display:flex;height:100vh;flex:1;min-width:0}.conv-list{width:320px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.conv-list .search{padding:10px;border-bottom:1px solid var(--border)}.conv-list .search input{width:100%;padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg)}.conv-items{overflow-y:auto;flex:1}.conv-item{display:flex;gap:10px;padding:12px 14px;cursor:pointer;border-bottom:1px solid #f4f4f4}.conv-item:hover{background:#f5f6f6}.conv-item.selected{background:#e9edef}.avatar{width:42px;height:42px;border-radius:50%;background:#dfe5e7;color:#54656f;display:grid;place-items:center;font-weight:700;flex-shrink:0}.conv-meta{flex:1;min-width:0}.conv-meta .row1{display:flex;justify-content:space-between}.conv-meta .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-meta .time{color:var(--muted);font-size:11px;flex-shrink:0}.conv-meta .row2{display:flex;justify-content:space-between;margin-top:3px}.conv-meta .preview{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{background:#25d366;color:#fff;font-size:11px;border-radius:999px;min-width:18px;height:18px;display:grid;place-items:center;padding:0 5px;flex-shrink:0}.chat-pane{flex:1;display:flex;flex-direction:column;min-width:0;background:#efeae2}.chat-header{background:#f0f2f5;padding:10px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.chat-header .title{font-weight:600}.chat-header .sub{font-size:12px;color:var(--muted)}.chat-body{flex:1;overflow-y:auto;padding:18px 8%;display:flex;flex-direction:column;gap:4px}.bubble{max-width:65%;padding:7px 10px;border-radius:8px;box-shadow:0 1px 1px #00000014;font-size:14px;line-height:1.45;position:relative;white-space:pre-wrap;word-break:break-word}.bubble.in{background:var(--bubble-in);align-self:flex-start;border-top-left-radius:0}.bubble.out{background:var(--bubble-out);align-self:flex-end;border-top-right-radius:0}.bubble img{max-width:280px;border-radius:6px;display:block;margin-bottom:4px}.bubble .doc{display:flex;align-items:center;gap:8px;background:#0000000d;border-radius:6px;padding:8px 10px;text-decoration:none;color:inherit;margin-bottom:4px}.bubble .meta{font-size:10.5px;color:var(--muted);text-align:right;margin-top:2px;display:flex;gap:4px;justify-content:flex-end;align-items:center}.bubble .meta .sender{margin-right:auto;color:#8696a0}.tick{color:#8696a0}.tick.read{color:#53bdeb}.tick.failed{color:#c62828;font-weight:700}.day-divider{align-self:center;background:#fff;color:var(--muted);border-radius:8px;font-size:12px;padding:4px 10px;margin:10px 0;box-shadow:0 1px 1px #0000000f}.composer{background:#f0f2f5;padding:10px 14px;display:flex;gap:10px;align-items:flex-end}.composer textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:10px;padding:10px 12px;max-height:120px;font-family:inherit}.composer .attach{background:none;border:none;font-size:20px;color:#54656f;padding:6px}.window-banner{background:#fff6e5;color:#8a6d3b;font-size:12.5px;padding:7px 16px;border-top:1px solid #f0e0c0}.window-banner.closed{background:#fdecea;color:#b71c1c;border-top-color:#f5c6cb}.channel-banner{background:#fdecea;color:#b71c1c;font-size:13px;padding:8px 16px}.contact-pane{width:260px;background:var(--panel);border-left:1px solid var(--border);padding:24px 18px;flex-shrink:0}.contact-pane .avatar.big{width:80px;height:80px;font-size:28px;margin:0 auto 12px}.contact-pane h3{text-align:center;font-size:16px}.contact-pane .phone{text-align:center;color:var(--muted);font-size:13px;margin-bottom:18px}.contact-pane dl{font-size:13px}.contact-pane dt{color:var(--muted);margin-top:12px}.contact-pane dd{margin-top:2px}.empty-state{flex:1;display:grid;place-items:center;color:var(--muted)}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:18px;max-width:860px}.card h2{font-size:15px;margin-bottom:14px}table.list{width:100%;border-collapse:collapse}table.list th{text-align:left;color:var(--muted);font-size:12px;font-weight:600;padding:8px 10px;border-bottom:1px solid var(--border)}table.list td{padding:10px;border-bottom:1px solid #f2f2f2;vertical-align:middle}.pill{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px}.pill.active{background:#e6f4ea;color:#1b7f3b}.pill.pending{background:#fff3e0;color:#b26a00}.pill.token_invalid,.pill.disabled{background:#fdecea;color:#b71c1c}.mono{font-family:Consolas,monospace;font-size:12px;background:#f5f5f5;padding:2px 6px;border-radius:4px;word-break:break-all}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}.form-grid .full{grid-column:1 / -1}.copy-row{display:flex;gap:8px;align-items:center;margin:6px 0}