.portal-page{--bg-primary:#fff;--bg-secondary:#f8f9fa;--bg-tertiary:#f1f3f5;--text-primary:#1a1a2e;--text-secondary:#6b7280;--text-tertiary:#9ca3af;--accent-green:#00c49a;--accent-green-light:#e6f9f3;--accent-green-dark:#00a37d;--accent-red:#ef4444;--accent-blue:#3b82f6;--accent-blue-light:#eff6ff;--border-light:#e5e7eb;--border-medium:#d1d5db;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100dvh;font-family:IBM Plex Sans,sans-serif;font-size:16px;line-height:1.6}.portal-page *{box-sizing:border-box}.portal-topbar{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:20px 24px;font-family:DM Sans,sans-serif;display:flex}.portal-topbar-left{color:var(--text-primary);letter-spacing:.04em;font-size:18px;font-weight:700}.portal-topbar-center{color:var(--text-secondary);font-size:14px;font-weight:500}.portal-topbar-right{color:var(--text-tertiary);align-items:center;gap:16px;font-size:13px;display:flex}.portal-signout{color:var(--text-tertiary);cursor:pointer;background:0 0;border:none;padding:0;font-family:DM Sans,sans-serif;font-size:13px;transition:color .15s}.portal-signout:hover{color:var(--text-primary)}.portal-hero{text-align:center;max-width:1200px;margin:0 auto;padding:56px 24px 40px}.portal-hero h1{color:var(--text-primary);letter-spacing:-.02em;margin-bottom:12px;font-family:DM Sans,sans-serif;font-size:48px;font-weight:700}.portal-hero-version{align-items:center;gap:10px;margin-bottom:16px;display:inline-flex}.portal-hero-version code{color:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:18px}.portal-badge-live{background:var(--accent-green-light);color:var(--accent-green);border-radius:999px;align-items:center;gap:6px;padding:4px 12px;font-family:DM Sans,sans-serif;font-size:12px;font-weight:600;display:inline-flex}.portal-badge-live:before{content:"";background:var(--accent-green);border-radius:50%;width:7px;height:7px}.portal-hero-tagline{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:17px;font-style:italic}.portal-timeline{max-width:900px;margin:0 auto;padding:0 24px 64px;position:relative}.portal-timeline-title{color:var(--text-primary);border-top:1px solid var(--border-light);margin-bottom:40px;padding-top:16px;font-family:DM Sans,sans-serif;font-size:24px;font-weight:700}.portal-timeline-list{padding-left:32px;position:relative}.portal-timeline-list:before{content:"";background:var(--border-light);width:2px;position:absolute;top:8px;bottom:8px;left:7px}.portal-version-card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:10px;margin-bottom:24px;padding:24px 28px;position:relative;box-shadow:0 1px 3px #0000000f,0 1px 2px #0000000a}.portal-version-card:before{content:"";background:var(--bg-primary);border:3px solid var(--border-medium);z-index:1;border-radius:50%;width:16px;height:16px;position:absolute;top:28px;left:-32px}.portal-version-card[data-status=current]:before{border-color:var(--accent-green);background:var(--accent-green-light)}.portal-version-card[data-status=research]:before{border-color:var(--accent-blue);background:var(--accent-blue-light)}.portal-version-card[data-status=deprecated]:before{border-color:var(--border-light);background:var(--bg-secondary)}.portal-version-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.portal-version-left{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.portal-version-number{color:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:16px;font-weight:600}.portal-version-title{color:var(--text-primary);font-family:DM Sans,sans-serif;font-size:16px;font-weight:600}.portal-version-date{color:var(--text-tertiary);white-space:nowrap;font-size:13px}.portal-badge{text-transform:uppercase;letter-spacing:.04em;border-radius:999px;padding:2px 10px;font-family:DM Sans,sans-serif;font-size:11px;font-weight:600;display:inline-block}.portal-badge-current{background:var(--accent-green-light);color:var(--accent-green)}.portal-badge-stable{background:var(--bg-tertiary);color:var(--text-secondary)}.portal-badge-deprecated{background:var(--bg-secondary);color:var(--text-tertiary)}.portal-badge-research{background:var(--accent-blue-light);color:var(--accent-blue)}.portal-version-description{color:var(--text-secondary);margin-bottom:12px;font-size:15px;line-height:1.65}.portal-version-changes{margin:0;padding:0;list-style:none}.portal-version-changes li{color:var(--text-secondary);margin-bottom:4px;padding-left:16px;font-size:14px;line-height:1.6;position:relative}.portal-version-changes li:before{content:"•";color:var(--text-tertiary);position:absolute;left:0}.portal-coming-soon{border:2px dashed var(--border-light);text-align:center;border-radius:10px;margin-top:8px;padding:24px 28px;position:relative}.portal-coming-soon h3{color:var(--text-tertiary);margin-bottom:8px;font-family:DM Sans,sans-serif;font-size:16px;font-weight:600}.portal-coming-soon p{color:var(--text-tertiary);font-size:14px}.portal-footer{border-top:1px solid var(--border-light);text-align:center;max-width:1200px;color:var(--text-tertiary);margin:0 auto;padding:32px 24px;font-size:12px}@media (max-width:767px){.portal-hero h1{font-size:36px}.portal-hero-tagline{font-size:15px}.portal-topbar{padding:16px}.portal-topbar-center{display:none}.portal-hero{padding:40px 16px 32px}.portal-timeline{padding:0 16px 48px}.portal-timeline-list{padding-left:28px}.portal-version-card{padding:20px}.portal-version-card:before{width:14px;height:14px;left:-28px}.portal-version-header{flex-direction:column}}