:root{--bg: #F6F8FA;--surface: #ffffff;--surface-2: #F2F5F8;--border: #E3E9EE;--text: #1F2D36;--text-2: #5B6B77;--text-3: #8E9CA7;--primary: #0F4C73;--primary-deep: #083549;--accent: #14669B;--accent-soft: #E7F1F8;--brand-red: #E84D3B;--brand-yellow: #F5D518;--brand-green: #4DAA53;--brand-gray: #77787B;--win: #4DAA53;--win-bg: #E9F5EA;--lose: #E84D3B;--lose-bg: #FCEBE7;--tie: #8A6A00;--tie-bg: #FDF6D8;--gap-bg: #F7F9FB;--shadow: 0 1px 3px rgba(8, 53, 73, .1)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}button{font-family:inherit}.app{max-width:1180px;margin:0 auto;padding:24px 20px 64px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:36px;height:36px;border-radius:9px;flex:none;background:var(--surface);border:1px solid 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button{border:none;background:none;cursor:pointer;color:var(--text-3);font-size:14px;line-height:1;padding:0 2px}.signup-probe{margin-top:12px;border:1px solid var(--border);background:var(--surface-2);border-radius:10px;padding:10px 12px;font-size:12.5px;color:var(--text-2)}.signup-probe.ok{background:var(--win-bg);border-color:var(--win);color:var(--text)}.signup-probe strong{display:block;font-size:12.5px;color:var(--text);margin-bottom:2px}.signup-review{display:grid;grid-template-columns:130px 1fr;gap:8px 12px;margin:0;font-size:12.5px}.signup-review dt{color:var(--text-2);font-weight:600}.signup-review dd{margin:0}.signup-summary{display:flex;gap:20px;background:var(--surface-2);border-radius:10px;padding:12px 14px;margin:14px 0;font-size:12.5px;color:var(--text-2)}.signup-summary strong{color:var(--primary);font-size:15px}.signup-dev{font-size:12px;background:var(--tie-bg);color:var(--tie);border-radius:8px;padding:8px 10px;margin-bottom:12px}.signup-nav{display:flex;gap:8px;justify-content:flex-end;margin-top:22px}.signup-nav .login-btn.inline{width:auto;margin-top:0;padding:9px 22px}.btn-sec{border:1px solid var(--border);background:var(--surface);color:var(--text-2);border-radius:8px;padding:9px 16px;font-size:13px;font-weight:600;cursor:pointer}.btn-sec:disabled{opacity:.6;cursor:default}.login-btn.ghost{background:var(--surface);color:var(--primary);border:1px solid var(--border)}.signup-link{display:block;width:100%;margin-top:14px;background:none;border:none;cursor:pointer;font-size:12.5px;color:var(--text-2);font-family:inherit}.signup-link strong{color:var(--accent)}.onboarding-empty{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:40px 32px;text-align:center;max-width:560px;margin:40px auto}.onboarding-empty h3{margin:0 0 8px;font-size:15px;color:var(--primary)}.onboarding-empty p{margin:0 0 8px;font-size:13px;color:var(--text-2)}