:root{--bg-page:#f7f6f2;--bg-card:#fff;--border:#e5e7eb;--text:#111827;--text-muted:#4b5563;--accent:#0f766e;--accent-hover:#115e59;--accent-text:#f8fafc;--secondary:#e5e7eb;--secondary-hover:#d1d5db;--error:#dc2626}@media (prefers-color-scheme:dark){:root{--bg-page:#111827;--bg-card:#1f2937;--border:#374151;--text:#f3f4f6;--text-muted:#9ca3af;--accent:#14b8a6;--accent-hover:#2dd4bf;--accent-text:#042f2e;--secondary:#374151;--secondary-hover:#4b5563;--error:#f87171}}*{box-sizing:border-box}html,body{background:var(--bg-page);color:var(--text);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.page{justify-content:center;align-items:flex-start;min-height:100vh;padding:64px 16px;display:flex}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:520px;padding:32px}.card h1{margin:0 0 12px;font-size:1.5rem}.card p{color:var(--text-muted);margin:0 0 16px}.actions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.button{cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-size:1rem;font-weight:600}.button:disabled{opacity:.6;cursor:default}.button-primary{background:var(--accent);color:var(--accent-text)}.button-primary:hover:not(:disabled){background:var(--accent-hover)}.button-secondary{background:var(--secondary);color:var(--text)}.button-secondary:hover:not(:disabled){background:var(--secondary-hover)}.error{color:var(--error)}.contact{margin-top:24px;font-size:.875rem}.contact a{color:var(--accent)}