:root{--bg:#0f172a;--surface:#1e293b;--surface-elevated:#334155;--fg:#f8fafc;--fg-muted:#cbd5e1;--accent:#38bdf8;--accent-strong:#0284c7;--whatsapp:#16a34a;--whatsapp-hover:#15803d;--grace-bg:#fef3c7;--grace-fg:#78350f;--danger:#ef4444;--border:#334155}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);max-width:100vw;color:var(--fg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;overflow-x:hidden}a{color:var(--accent);text-decoration:underline}.app-shell{flex-direction:column;max-width:600px;min-height:100vh;margin:0 auto;padding:20px 16px 32px;display:flex}.app-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;display:flex}.brand-link{color:var(--fg);font-size:1.25rem;font-weight:700;text-decoration:none}.app-main{flex-direction:column;flex:1;gap:20px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:16px;padding:20px;display:flex}.grace-banner{background:var(--grace-bg);color:var(--grace-fg);border-radius:12px;flex-direction:column;gap:8px;padding:16px;display:flex}.field-group{flex-direction:column;gap:6px;display:flex}.field-label{justify-content:space-between;align-items:center;font-size:.95rem;font-weight:600;display:flex}.field-hint{color:var(--fg-muted);font-size:.85rem}.input,.textarea,.select{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--fg);border-radius:10px;padding:12px 14px;font-family:inherit;font-size:1rem}.textarea{resize:vertical;min-height:100px}.error-text{color:#fca5a5;font-size:.9rem;font-weight:500}.error-banner{border:1px solid var(--danger);color:#fecaca;background:#ef444426;border-radius:10px;padding:12px 14px;font-size:.95rem}.btn{cursor:pointer;text-align:center;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:14px 18px;font-size:1rem;font-weight:600;text-decoration:none;transition:opacity .15s;display:inline-flex}.btn:disabled{opacity:.65;cursor:not-allowed}.btn-primary{background:var(--accent);color:#0f172a}.btn-whatsapp{background:var(--whatsapp);color:#fff}.btn-secondary{background:var(--surface-elevated);color:var(--fg);border:1px solid var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-link{color:var(--fg-muted);cursor:pointer;background:0 0;border:none;padding:4px 6px;font-size:.875rem;text-decoration:underline}.app-footer{border-top:1px solid var(--border);color:var(--fg-muted);justify-content:space-between;align-items:center;margin-top:32px;padding-top:16px;font-size:.875rem;display:flex}