:root{--bg: #f6f8fb;--surface: #ffffff;--surface-2: #f1f4f9;--border: #e6eaf0;--text: #131a26;--text-2: #6b7685;--text-3: #97a1b0;--primary: #3a8df5;--primary-d: #2f7ae0;--primary-soft: #eaf3fe;--green: #2bbf6a;--green-soft: #e7f8ef;--orange: #f5a623;--orange-soft: #fef3e0;--red: #f0445b;--red-soft: #fdebee;--violet: #8a63f4;--violet-soft: #f0ebfe;--shadow: 0 1px 3px rgba(20,30,50,.06), 0 1px 2px rgba(20,30,50,.04);--shadow-lg: 0 12px 32px rgba(20,30,50,.12);--radius: 14px;--sidebar: 248px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}input,select{font-family:inherit}.shell{display:grid;grid-template-columns:var(--sidebar) 1fr;height:100%}.sidebar{background:#0f1828;color:#c7d0dd;display:flex;flex-direction:column;padding:18px 14px}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;font-size:17px;font-weight:700;color:#fff}.brand .logo{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(135deg,#4da3ff,#2f7ae0);color:#fff;font-weight:800}.nav{display:flex;flex-direction:column;gap:3px;margin-top:6px}.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;font-size:14.5px;color:#aeb9c8;transition:.15s}.nav a:hover{background:#ffffff0f;color:#fff}.nav a.on{background:var(--primary);color:#fff}.nav .ico{width:20px;height:20px;flex-shrink:0}.sidebar .spacer{flex:1}.langbar{display:flex;gap:4px;background:#ffffff0d;border-radius:10px;padding:4px;margin-bottom:10px}.langbar button{flex:1;padding:7px 0;border-radius:7px;font-size:12px;font-weight:700;color:#8593a6;letter-spacing:.3px;transition:.15s}.langbar 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var(--border)}.login{height:100%;display:grid;place-items:center;background:linear-gradient(135deg,#1a2740,#0f1828)}.login-card{width:380px;max-width:92vw;background:var(--surface);border-radius:18px;padding:36px 32px;box-shadow:var(--shadow-lg)}.login-card .logo{width:58px;height:58px;border-radius:16px;margin:0 auto 16px;display:grid;place-items:center;background:linear-gradient(135deg,#4da3ff,#2f7ae0);color:#fff;font-weight:800;font-size:24px}.login-card h2{text-align:center;margin:0 0 4px;font-size:21px}.login-card p{text-align:center;color:var(--text-2);margin:0 0 20px;font-size:14px}.err{color:var(--red);font-size:13px;min-height:18px;margin-top:8px}.spin{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:sp 1s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}.center{display:grid;place-items:center;height:100%}.seg2{display:inline-flex;background:var(--surface-2);border-radius:9px;padding:3px;gap:3px}.seg2 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