*{box-sizing:border-box}body,html{margin:0;padding:0;background:#0d0d0d;color:#f4f4f4;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;min-height:100vh}.install-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 16px}.install-card{width:100%;max-width:540px;background:#181818;border:1px solid #262626;border-radius:16px;padding:40px;box-shadow:0 4px 30px rgba(0,0,0,.35)}.install-card h1{margin:0 0 8px;font-size:28px;font-weight:700;color:#ff7a00}.install-card .lead{margin:0 0 24px;color:#c9c9c9;line-height:1.5}.install-prereq{margin:0 0 20px;padding:14px 16px;background:#1a2218;border:1px solid #2d4a2d;border-radius:8px;font-size:13px;line-height:1.55;color:#c5e0c5}.install-prereq p{margin:0 0 10px}.install-prereq p:last-child{margin-bottom:0}.install-prereq code{background:#0d0d0d;padding:2px 6px;border-radius:4px;font-size:12px;color:#9fda9f}.install-prereq strong{color:#a8e6a8}.install-prereq em{font-style:normal;text-decoration:underline;-webkit-text-decoration-color:#4a6b4a;text-decoration-color:#4a6b4a}.status{margin:16px 0;padding:12px 16px;background:#222;border-left:3px solid #555;border-radius:6px;font-size:14px}.status.ok{border-left-color:#4caf50;color:#d6f5d6}.status.warn{border-left-color:#ff9800;color:#ffe2b2}.status.error{border-left-color:#f44336;color:#ffd6d3}a.primary,button.primary{display:inline-block;margin-top:16px;padding:12px 24px;border:none;border-radius:8px;background:#ff7a00;color:#0d0d0d;font-weight:600;font-size:16px;cursor:pointer;text-decoration:none;transition:background .15s ease}a.primary:hover,button.primary:hover{background:#ffa040}button.primary:disabled{background:#555;color:#aaa;cursor:default}.installed-block{margin-top:16px;padding:16px;background:#1f2a1f;border:1px solid #2c3f2c;border-radius:8px;font-size:14px;line-height:1.5}.installed-block p{margin:0 0 8px}.installed-block p:last-child{margin-bottom:0}.install-footer{margin-top:32px;padding-top:20px;border-top:1px solid #262626;font-size:12px;color:#888}.install-footer p{margin:4px 0}.install-footer code{background:#0d0d0d;padding:2px 6px;border-radius:4px;font-size:11px;color:#ddd}