:root{--bg:#0f1117;--panel:#161923;--panel-border:#262b3a;--text:#e7e9f0;--muted:#8a90a6;--accent:#25d366;--accent-bg:#25d36624;--danger:#ff6b6b;--danger-bg:#ff6b6b24;--incoming:#12251d;--mono:ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--panel-border);background:var(--panel);z-index:5;justify-content:space-between;align-items:center;padding:18px 28px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;display:flex}.brand h1{color:var(--text);margin:0;font-size:20px;font-weight:650}.dot{background:var(--accent);width:10px;height:10px;box-shadow:0 0 0 4px var(--accent-bg);border-radius:50%}.sub{color:var(--muted);font-size:13px}.layout{flex:1;grid-template-columns:minmax(340px,420px) 1fr;align-items:start;gap:24px;width:100%;max-width:1280px;margin:0 auto;padding:24px;display:grid}@media (width<=860px){.layout{grid-template-columns:1fr;padding:16px}}.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;padding:22px}.panel h2{color:var(--text);margin:0 0 18px;font-size:16px;font-weight:650}form{flex-direction:column;gap:10px;display:flex}label{color:var(--muted);margin-top:6px;font-size:12.5px}input,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--panel-border);resize:vertical;border-radius:9px;outline:none;padding:10px 12px;font-size:14.5px}input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.seg{background:var(--bg);border:1px solid var(--panel-border);border-radius:9px;gap:6px;padding:4px;display:flex}.seg button{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;flex:1;padding:8px;font-size:13.5px}.seg button.active{background:var(--accent-bg);color:var(--accent);font-weight:600}button.primary{font:inherit;color:#04140a;background:var(--accent);cursor:pointer;border:0;border-radius:9px;margin-top:14px;padding:12px;font-size:15px;font-weight:600;transition:filter .15s}button.primary:disabled{opacity:.55;cursor:default}button.primary:not(:disabled):hover{filter:brightness(1.06)}button.ghost{font:inherit;color:var(--muted);background:var(--bg);border:1px solid var(--panel-border);cursor:pointer;border-radius:7px;padding:6px 12px;font-size:12.5px}.result{word-break:break-word;border-radius:9px;margin-top:12px;padding:10px 12px;font-size:13px;line-height:1.45}.result.ok{background:var(--incoming);color:var(--accent)}.result.err{background:var(--danger-bg);color:var(--danger)}.inbox-panel{flex-direction:column;display:flex}.inbox-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.inbox-head h2{margin:0}.inbox{flex-direction:column;gap:8px;max-height:calc(100vh - 200px);padding-right:4px;display:flex;overflow-y:auto}.empty{color:var(--muted);text-align:center;margin:0;padding:40px 12px;font-size:13.5px}.msg{border:1px solid var(--panel-border);background:var(--bg);border-radius:10px;padding:10px 12px}.msg.incoming{border-left:3px solid var(--accent)}.msg.outgoing{border-left:3px solid #4a90e2}.msg.status{opacity:.75;border-left:3px solid var(--muted)}.msg .meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:4px;font-size:11.5px;display:flex}.msg .dir{letter-spacing:.4px;font-weight:700}.msg.incoming .dir{color:var(--accent)}.msg.outgoing .dir{color:#4a90e2}.msg .who{font-family:var(--mono)}.msg .status{background:var(--accent-bg);color:var(--accent);border-radius:5px;padding:1px 6px}.msg .time{margin-left:auto}.msg .body{color:var(--text);white-space:pre-wrap;word-break:break-word;font-size:14.5px}