:root{--bg-main: #061a33;--bg-panel: #0b2545;--bg-card: #102f57;--bg-input: #061427;--text-main: #ffffff;--text-muted: #b6c7dc;--accent: #38bdf8;--danger: #ef4444;--success: #22c55e}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-main);color:var(--text-main)}button,input{font:inherit}button{cursor:pointer;border:0;border-radius:14px;padding:10px 14px;background:var(--accent);color:#03111f;font-weight:700}button:disabled{opacity:.65;cursor:not-allowed}.ghost{background:#ffffff14;color:var(--text-main)}.login-page{min-height:100%;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top,#123b6a,var(--bg-main))}.login-card{width:min(460px,100%);background:#0b2545eb;padding:28px;border:1px solid rgba(255,255,255,.12);border-radius:28px;box-shadow:0 24px 80px #0000005c}.login-card h1{margin:0 0 8px}.login-card p,.login-card small{color:var(--text-muted)}.login-card label{display:grid;gap:8px;margin:16px 0;color:var(--text-muted)}.login-card input,.composer input{width:100%;border:1px solid rgba(255,255,255,.12);background:var(--bg-input);color:var(--text-main);border-radius:16px;padding:13px 15px;outline:none}.login-card button{width:100%;margin-top:8px}.error,.success{padding:12px 14px;border-radius:16px;margin:12px 0}.error{background:#ef444429;color:#fecaca;border:1px solid rgba(239,68,68,.25)}.success{background:#22c55e29;color:#bbf7d0;border:1px solid rgba(34,197,94,.25)}.inline{margin:8px 16px}.chat-shell{height:100%;display:grid;grid-template-columns:290px 1fr;background:var(--bg-main)}.side-panel{background:var(--bg-panel);border-right:1px solid rgba(255,255,255,.1);padding:22px}.side-panel h2{margin-top:0}.side-panel p,.bubble-meta{color:var(--text-muted)}.chat-panel{min-width:0;height:100%;display:grid;grid-template-rows:auto 1fr auto}.chat-header{display:flex;align-items:center;gap:14px;padding:14px 16px;background:#0b2545d9;border-bottom:1px solid rgba(255,255,255,.1)}.chat-header span{margin-left:auto;color:var(--text-muted);font-size:14px}.icon{width:42px;height:42px;padding:0;display:inline-grid;place-items:center;background:#ffffff17;color:var(--text-main);border-radius:14px;flex:0 0 auto}.messages{overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px}.bubble{width:min(680px,86%);background:var(--bg-card);border:1px solid rgba(255,255,255,.1);padding:13px 15px;border-radius:20px 20px 20px 6px;box-shadow:0 8px 30px #0000002e}.bubble.mine{align-self:flex-end;background:#123f72;border-radius:20px 20px 6px}.bubble-meta{font-size:12px;margin-bottom:6px}.bubble-actions{display:flex;gap:8px;align-items:center;margin-top:8px;color:var(--text-muted);font-size:12px}.bubble-actions button{padding:5px 8px;background:#ffffff14;color:var(--text-muted);font-weight:500;border-radius:10px}.file-card{width:100%;text-align:left;background:#ffffff17;color:var(--text-main)}.upload-progress{padding:8px 16px;color:var(--text-muted)}.composer{position:relative;display:flex;gap:8px;align-items:center;padding:12px;background:#0b2545f5;border-top:1px solid rgba(255,255,255,.1);padding-bottom:max(12px,env(safe-area-inset-bottom))}.attach{cursor:pointer}.send{width:46px;height:42px;padding:0}.emoji-box{position:absolute;bottom:68px;left:112px;width:min(310px,calc(100vw - 24px));display:grid;grid-template-columns:repeat(5,1fr);gap:6px;padding:10px;background:#081d38;border:1px solid rgba(255,255,255,.16);border-radius:18px;box-shadow:0 18px 50px #00000059}.emoji-box button{background:#ffffff14;color:#fff;padding:8px}.modal{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:24px;background:#000000b8;z-index:20}.modal-body{position:relative;max-width:min(1100px,96vw);max-height:92vh;background:var(--bg-panel);padding:18px;border-radius:24px;overflow:auto}.modal-body img,.modal-body video{max-width:100%;max-height:76vh;border-radius:18px}.modal-body audio{width:min(620px,80vw)}.close{position:absolute;top:10px;right:10px;width:38px;height:38px;padding:0;border-radius:50%;background:#ffffff1f;color:#fff;font-size:24px}@media (max-width: 860px){.chat-shell{grid-template-columns:1fr;height:100dvh}.side-panel{display:none}.chat-header{min-height:56px}.messages{padding:10px}.bubble{width:92%}.composer{gap:6px}.composer input{padding:12px}.icon{width:40px;height:40px}}.fingerprint{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;word-break:break-all}