:root{--accent:#286a50;--accent-soft:#286a5029;--background:#f7f8f6;--border:#dfe4dd;--code-bg:#eef2ec;--danger:#a12828;--danger-soft:#f8eaea;--muted:#68746d;--shadow:0 18px 45px #14201a14;--success:#22633f;--success-soft:#e8f4ed;--surface:#fff;--text:#15211a;color:var(--text);background:var(--background);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font:16px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input{letter-spacing:0}h1{color:var(--text);letter-spacing:0;margin:0;font-size:28px;line-height:1.15}p{margin:0}@media (width<=560px){h1{font-size:24px}}.shell{justify-content:center;align-items:center;min-height:100svh;padding:24px;display:flex}.panel{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;width:100%;max-width:560px;padding:28px}.panel.narrow{max-width:480px}.eyebrow{color:var(--muted);letter-spacing:0;text-transform:uppercase;margin:0 0 10px;font-size:13px;font-weight:700}.muted{color:var(--muted);margin:0 0 24px}.summary{border:1px solid var(--border);border-radius:8px;margin:24px 0;overflow:hidden}.summary>div{gap:8px;padding:16px;display:grid}.summary>div+div{border-top:1px solid var(--border)}.summary span{color:var(--muted);letter-spacing:0;text-transform:uppercase;font-size:13px;font-weight:700}.summary strong{color:var(--text);overflow-wrap:anywhere;font-size:17px}.sign-in-form{gap:14px;margin:24px 0 12px;display:grid}label{color:var(--text);gap:8px;font-size:14px;font-weight:700;display:grid}input{background:var(--surface);border:1px solid var(--border);color:var(--text);font:inherit;border-radius:6px;padding:12px}input:focus{border-color:var(--accent);outline:3px solid var(--accent-soft)}.actions{grid-template-columns:1fr 1fr;gap:12px;display:grid}.provider-grid{grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;display:grid}.button{cursor:pointer;font:inherit;border:1px solid #0000;border-radius:6px;min-height:44px;padding:10px 14px;font-weight:700}.button:disabled{cursor:not-allowed;opacity:.55}.button.primary{background:var(--text);color:var(--surface)}.button.secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.button.full{width:100%}.error,.success{border-radius:6px;margin:16px 0 0;padding:12px;font-size:14px}.error{background:var(--danger-soft);color:var(--danger)}.success{background:var(--success-soft);color:var(--success)}code{background:var(--code-bg);color:var(--text);overflow-wrap:anywhere;border-radius:6px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.45;display:block}@media (width<=560px){.shell{align-items:stretch;padding:16px}.panel{padding:22px}.actions,.provider-grid{grid-template-columns:1fr}}