*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{color:#e9edef;-webkit-font-smoothing:antialiased;background:#111b21;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#374045;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#4a5568}button{cursor:pointer;font:inherit;color:inherit;background:0 0;border:none;padding:0}input{font:inherit;color:inherit;background:0 0;border:none;outline:none;width:100%}mark.msg-highlight{color:#111;background:#ffd54f;border-radius:2px;padding:0 2px}:root{--bg:#111b21;--panel:#202c33;--hover:#2a3942;--input-bg:#2a3942;--sent:#005c4b;--recv:#1f2c34;--accent:#00a884;--accent2:#53bdeb;--txt:#e9edef;--muted:#8696a0;--border:#2a3942;--red:#f15c6d}.import-screen{background:var(--bg);justify-content:center;align-items:center;height:100vh;padding:24px;display:flex}.import-card{background:var(--panel);border-radius:16px;flex-direction:column;gap:24px;width:100%;max-width:440px;padding:36px 32px 28px;display:flex}.import-logo{align-items:center;gap:14px;display:flex}.logo-icon{background:var(--accent);color:#fff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.import-title{color:var(--txt);letter-spacing:-.3px;font-size:20px;font-weight:600}.import-subtitle{color:var(--muted);margin-top:2px;font-size:13px}.drop-zone{border:2px dashed var(--border);cursor:pointer;text-align:center;-webkit-user-select:none;user-select:none;border-radius:12px;padding:40px 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6px;position:relative}.bubble.sent{background:var(--sent);border-bottom-right-radius:2px}.bubble.recv{background:var(--recv);border-bottom-left-radius:2px}.bubble-text{color:#e9edef;word-break:break-word;white-space:pre-wrap;font-size:14.5px;line-height:1.5}.bubble-time{color:#e9edef99;text-align:right;margin-top:3px;font-size:11px;display:block}.stats-panel{flex-direction:column;gap:24px;max-width:800px;padding:24px 28px 40px;display:flex}.stats-hero{align-items:center;gap:16px;display:flex}.stats-hero-avatar{color:#fff;letter-spacing:.5px;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:20px;font-weight:700;display:flex}.stats-hero-name{color:var(--txt);font-size:22px;font-weight:600}.stats-hero-period{color:var(--muted);margin-top:3px;font-size:13px}.stats-cards{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;display:grid}.stat-card{background:var(--panel);border-radius:12px;padding:16px 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