:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark;--bg: #0a0d14;--bg2: #131826;--panel: rgba(255, 255, 255, .04);--border: rgba(255, 255, 255, .08);--fg: #e6ebf5;--muted: rgba(230, 235, 245, .55);--accent: #5b8cff;--me: #2b4a8a;--them: #2a2f3e;--error: #ff6b6b}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:radial-gradient(circle at 20% 20%,#1a1f2e 0%,var(--bg) 60%);color:var(--fg);min-height:100vh}button{font-family:inherit;cursor:pointer;border:1px solid var(--border);background:transparent;color:var(--fg);padding:8px 16px;border-radius:8px;transition:background .15s}button:hover:not(:disabled){background:#ffffff0f}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:#4675e8}button.ghost{padding:4px 10px;font-size:.85rem}button:disabled{opacity:.5;cursor:not-allowed}input{font-family:inherit;background:#ffffff08;border:1px solid var(--border);color:var(--fg);padding:10px 12px;border-radius:8px;outline:none;width:100%}input:focus{border-color:var(--accent)}.error{margin-top:12px;padding:10px 12px;background:#ff6b6b14;border:1px solid rgba(255,107,107,.3);border-radius:8px;color:var(--error);font-size:.85rem}.auth{min-height:100vh;display:grid;place-items:center;padding:24px}.auth .card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:32px 28px;max-width:420px;width:100%}.auth h1{margin:0 0 4px;font-size:2rem;letter-spacing:2px;text-align:center}.auth .tagline{margin:0 0 24px;opacity:.65;font-style:italic;text-align:center;font-size:.9rem}.auth .tabs{display:flex;gap:8px;margin-bottom:20px}.auth .tabs button{flex:1}.auth .tabs button.active{background:#5b8cff26;border-color:var(--accent);color:var(--accent)}.auth form{display:flex;flex-direction:column;gap:14px}.auth label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;opacity:.85}.auth .footnote{margin:24px 0 0;font-size:.78rem;opacity:.45;text-align:center}.chat{display:grid;grid-template-columns:320px 1fr;height:100vh}.sidebar{background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;min-width:0}.sidebar>header{display:flex;align-items:center;justify-content:space-between;padding:18px 16px;border-bottom:1px solid var(--border)}.sidebar .my-id{font-weight:600}.sidebar .my-mode{font-size:.78rem;opacity:.55;margin-top:2px}.sidebar .add-contact{display:flex;gap:8px;padding:12px 16px;border-bottom:1px solid var(--border)}.sidebar .add-contact input{flex:1}.sidebar .add-contact button{padding:8px 14px}.sidebar .contacts{list-style:none;margin:0;padding:0;flex:1;overflow-y:auto}.sidebar .contacts li{padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s}.sidebar .contacts li:hover{background:#ffffff08}.sidebar .contacts li.active{background:#5b8cff1f}.sidebar .contacts .contact-id{font-weight:500}.sidebar .contacts .contact-last{font-size:.78rem;opacity:.55;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar .error{margin:12px 16px}.chat-window{display:flex;flex-direction:column;min-width:0}.chat-window>header{padding:18px 24px;border-bottom:1px solid var(--border);font-weight:600}.chat-window .empty{flex:1;display:grid;place-items:center;opacity:.45}.chat-window .messages{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:8px}.bubble{max-width:70%;padding:10px 14px;border-radius:14px;font-size:.92rem;word-wrap:break-word}.bubble.me{align-self:flex-end;background:var(--me);border-bottom-right-radius:4px}.bubble.them{align-self:flex-start;background:var(--them);border-bottom-left-radius:4px}.bubble .time{font-size:.7rem;opacity:.55;margin-top:4px}.chat-window>footer{display:flex;gap:8px;padding:14px 24px;border-top:1px solid var(--border)}.chat-window>footer input{flex:1}.sidebar .my-mode.active{color:#ffb86b}.sidebar .freq-bar{padding:12px 16px;border-bottom:1px solid var(--border)}.sidebar .freq-bar button{width:100%}.sidebar .freq-tune{background:#5b8cff1f;border-color:var(--accent);color:var(--accent)}.sidebar .freq-active{background:#ffb86b1f;border-color:#ffb86b;color:#ffb86b;display:flex;align-items:center;justify-content:center;gap:8px}.sidebar .freq-active .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#ffb86b;box-shadow:0 0 8px #ffb86b}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:grid;place-items:center;z-index:100}.modal{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:28px;max-width:480px;width:calc(100% - 32px)}.modal h2{margin:0 0 8px}.modal .hint{margin:0 0 20px;opacity:.7;font-size:.9rem}.modal form{display:flex;flex-direction:column;gap:12px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}.modal .warn{margin:12px 0 0;padding:10px 12px;background:#ffb86b14;border:1px solid rgba(255,184,107,.25);border-radius:8px;color:#ffd9b0;font-size:.82rem}.chat-window>footer .attach{padding:8px 12px;font-size:1.1rem}.media-loading,.media-error{padding:12px 16px;background:#ffffff0a;border-radius:8px;font-size:.85rem;opacity:.7}.media-error{color:var(--error);opacity:1}.media-image{display:block;max-width:100%;max-height:320px;border-radius:10px;cursor:zoom-in}.media-video{display:block;max-width:100%;max-height:360px;border-radius:10px}.media-audio{display:block;width:280px;max-width:100%}.media-file{display:flex;align-items:center;gap:12px;padding:10px 12px;background:#ffffff0d;border:1px solid var(--border);border-radius:10px;text-decoration:none;color:var(--fg)}.media-file:hover{background:#ffffff14}.media-file-icon{font-size:1.4rem}.media-file-meta{display:flex;flex-direction:column;gap:2px;min-width:0}.media-file-name{font-size:.9rem;word-break:break-all}.media-file-size{font-size:.75rem;opacity:.6}.bubble.me .media-file{background:#ffffff14}.bubble .media-image,.bubble .media-video{margin:0 0 6px}.bubble .meta{display:flex;align-items:center;justify-content:flex-end;gap:6px;font-size:.7rem;opacity:.6;margin-top:4px}.bubble .tick{font-size:.78rem}.bubble .tick.read{color:#5b8cff;opacity:1}.contact-card{display:flex;align-items:center;gap:12px;padding:10px 12px;background:#ffffff0d;border:1px solid var(--border);border-radius:10px}.bubble.me .contact-card{background:#ffffff14}.contact-card-icon{font-size:1.4rem}.contact-card-meta{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.contact-card-label{font-size:.72rem;opacity:.6}.contact-card-id{font-weight:500;font-size:.95rem}.contact-card-add{padding:6px 14px;font-size:.85rem}.share-contact-list{list-style:none;margin:12px 0;padding:0;max-height:220px;overflow-y:auto;border:1px solid var(--border);border-radius:8px}.share-contact-list li{border-bottom:1px solid var(--border)}.share-contact-list li:last-child{border-bottom:none}.share-contact-list li button{width:100%;text-align:left;border:none;border-radius:0;padding:10px 14px}.share-contact-list li.empty-row{padding:16px;text-align:center;opacity:.5;font-size:.85rem}.manual-row{display:flex;gap:8px;margin-top:8px}.manual-row input{flex:1}.sidebar .new-group-row{padding:0 16px 12px}.sidebar .new-group-row button{width:100%;font-size:.85rem;background:#ffffff08}.sidebar .contacts li.group-item .contact-id{color:#ffd9b0}.bubble.them .sender{font-size:.78rem;font-weight:600;color:#ffd9b0;margin-bottom:4px}.sticker-anchor{position:relative}.sticker-picker{position:absolute;bottom:50px;left:0;width:280px;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:8px;box-shadow:0 8px 24px #0006;z-index:30}.sticker-tabs{display:flex;gap:4px;padding-bottom:8px;border-bottom:1px solid var(--border);overflow-x:auto}.sticker-tabs button{flex:0 0 auto;padding:4px 8px;font-size:1.2rem;background:transparent;border-radius:6px;border:1px solid transparent}.sticker-tabs button.active{background:#5b8cff26;border-color:var(--accent)}.sticker-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;padding-top:8px;max-height:240px;overflow-y:auto}.sticker-cell{font-size:1.4rem;background:transparent;border:1px solid transparent;border-radius:6px;padding:6px 0;cursor:pointer}.sticker-cell:hover{background:#ffffff0d;border-color:var(--border)}.bubble-emoji{background:transparent!important;padding:4px 6px!important;border:none!important}.bubble-emoji .text{font-size:3.4rem;line-height:1.1}.bubble-emoji .meta{justify-content:flex-end}.auth .other-account{display:flex;gap:8px;flex-direction:column;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.auth .other-account button{width:100%}.auth .other-account .danger{color:var(--error);border-color:#ff6b6b4d}.auth .other-account .danger:hover{background:#ff6b6b14}.sidebar .device-row{padding:0 16px 12px}.sidebar .device-row button{width:100%;font-size:.78rem;padding:6px 12px;background:#ffffff08}.sidebar .device-row .danger{color:#ff9b9b}.sidebar .saved-frequencies{margin-top:8px;display:flex;flex-direction:column;gap:4px}.sidebar .saved-frequencies .saved-freq{font-size:.78rem;padding:6px 10px;text-align:left;background:#5b8cff0f;border-color:#5b8cff33;color:#ffd9b0}.sidebar .saved-frequencies .saved-freq:hover{background:#5b8cff1f}