:root{--dark: #1c2128;--dark-2: #22272e;--dark-3: #2d333b;--dark-line: #373e47;--dark-text: #cdd9e5;--dark-dim: #768390;--light: #f6f7f9;--panel: #ffffff;--line: #e2e5ea;--text: #1f2328;--dim: #6b7280;--in: #ffffff;--out: #eef4ff;--accent: #3a6ea5;--danger: #b4485a;--mono: ui-monospace, "SF Mono", "Cascadia Mono", "Consolas", monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font:14px/1.45 -apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--light)}button,input,textarea{font:inherit;color:inherit}.login-screen{height:100%;display:grid;place-items:center;background:var(--dark)}.login-card{width:320px;padding:28px;border-radius:10px;background:var(--dark-2);border:1px solid var(--dark-line);display:flex;flex-direction:column;gap:14px;color:var(--dark-text)}.login-card h1{margin:0;font-size:20px;letter-spacing:.02em}.login-hint{margin:-6px 0 4px;color:var(--dark-dim);font-size:13px}.login-card 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var(--mono);color:var(--dark-dim);flex:none}.chat-preview{font-size:12px;color:var(--dark-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-marks{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:2px}.mark{font:10px/1.6 var(--mono);padding:0 5px;border-radius:3px;border:1px solid currentColor;opacity:.85}.mark-free{color:#6fa8dc}.mark-closed{color:#d9a441}.mark-unread{color:#b07d2b}.typing-warning{display:flex;align-items:center;gap:7px;padding:5px 18px;background:#fdf7ec;border-bottom:1px solid var(--line);color:#8a6212;font-size:12px}.typing-dot{width:8px;height:8px;border-radius:50%;flex:none}.unread{margin-left:auto;min-width:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:#fff;font:11px/18px var(--mono);text-align:center}.empty{padding:18px;color:var(--dark-dim);font-size:13px;text-align:center}.hidden-note{flex:none;padding:8px 10px;border-top:1px solid var(--dark-line);color:var(--dark-dim);font:11px/1.4 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var(--mono);color:var(--dim)}.conversation{display:flex;flex-direction:column;min-height:0;min-width:0;background:var(--light)}.conversation-empty{display:grid;place-items:center;color:var(--dim)}.conv-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line)}.conv-title{display:flex;align-items:baseline;gap:8px;min-width:0}.conv-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-username{color:var(--dim);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-marks{display:flex;gap:6px;flex:none}.conv-scroll{flex:1;overflow-y:auto;min-height:0;padding:12px 18px 6px;display:flex;flex-direction:column;align-items:center}.feed{width:100%;max-width:820px;flex:none}.feed-note{text-align:center;color:var(--dim);font:11px/1.6 var(--mono);padding:6px 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video:not(.lightbox-image){max-width:320px;max-height:320px;object-fit:contain}.attach-photo{display:block;width:auto;height:auto;max-width:320px;max-height:320px;object-fit:contain;border-radius:6px;cursor:zoom-in}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:24px;background:#101318d9;cursor:zoom-out}.lightbox-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:4px}.attach-video{display:block;max-width:320px;max-height:320px;border:0;border-radius:6px}.attach-audio{display:block;height:32px;width:min(240px,100%);max-width:100%;border:0}.attach-file{color:inherit;text-decoration:underline;text-underline-offset:2px}.attach-loading,.attach-missing{color:inherit;opacity:.75;font:11px/1.6 var(--mono)}.composer{border-top:1px solid var(--line);background:var(--panel);padding:10px 16px 12px}.composer-row{display:flex;gap:8px;align-items:flex-end}.composer-input{flex:1;min-width:0;width:100%;resize:none;padding:8px 10px;border-radius:6px;border:1px solid var(--line);background:#fff}.composer-input:focus{outline:1px solid var(--accent)}.send{flex:none;padding:8px 16px;border:0;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}.send:disabled{opacity:.45;cursor:default}.composer-error{margin-bottom:7px;color:var(--danger);font-size:12px}.composer-closed{background:#fdf7ec}.closed-title{margin:0 0 4px;font-weight:600;color:#8a6212}.closed-body{margin:0 0 9px;color:var(--dim);font-size:13px;max-width:620px}.tg-link{display:inline-block;padding:7px 14px;border-radius:6px;background:var(--accent);color:#fff;text-decoration:none}