:root{color-scheme:light;--background:#f7f7f4;--foreground:#1d1d1b;--muted:#676b70;--surface:#ffffff;--border:#d9ddd7;--primary:#0f6b5f;--primary-strong:#094c44;--danger:#a73535;--focus:#2563eb}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--background);color:var(--foreground);font-family:Arial,Helvetica,sans-serif}a{color:inherit}button,input{font:inherit}.auth-page{min-height:100vh;display:grid;place-items:center;padding:32px 20px}.auth-panel{width:min(100%,420px);border:1px solid var(--border);border-radius:8px;background:var(--surface);padding:28px;box-shadow:0 16px 48px rgba(29,29,27,.08)}.auth-stack{display:grid;gap:18px}.auth-heading{display:grid;gap:8px}.auth-brand{margin:0;font-size:clamp(2rem,6vw,2.8rem);line-height:.95;letter-spacing:0}.auth-copy{margin:0;color:var(--muted);line-height:1.5}.auth-actions{display:grid;gap:10px}.auth-button{min-height:44px;border:1px solid transparent;border-radius:8px;background:var(--primary);color:#ffffff;cursor:pointer;font-weight:700;padding:0 16px}.auth-button:hover{background:var(--primary-strong)}.auth-button:disabled{cursor:wait;opacity:.75}.auth-button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.auth-button.secondary{background:transparent;border-color:var(--border);color:var(--foreground)}.auth-button.secondary:hover{border-color:var(--primary)}.auth-note{margin:0;color:var(--muted);font-size:.92rem;line-height:1.5}.auth-alert,.auth-success{margin:0;border-radius:8px;padding:10px 12px;line-height:1.4}.auth-alert{background:#fff2f2;color:var(--danger)}.auth-success{background:#edf8f4;color:var(--primary-strong)}