:root{--primary:#1a3d2e;--primary-light:#2d6147;--accent:#4caf50;--bg:#f5f5f5;--text:#1a1a1a;--muted:#666;--border:#e0e0e0;--danger:#c62828;--warning:#ef6c00}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.container{max-width:800px;margin:0 auto;padding:1rem}.card{border:1px solid var(--border);background:#fff;border-radius:8px;margin-bottom:1rem;padding:1.25rem}button{cursor:pointer;border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:6px;padding:.6rem 1.1rem;font-size:1rem}button:hover{background:var(--primary-light)}button.secondary{color:var(--primary);background:#fff}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{border:1px solid var(--border);background:#fff;border-radius:6px;width:100%;padding:.55rem .7rem;font-family:inherit;font-size:1rem}label{margin:.7rem 0 .3rem;font-size:.92rem;font-weight:500;display:block}.error{color:var(--danger);background:#ffebee;border-radius:6px;margin:.5rem 0;padding:.6rem .8rem}.muted{color:var(--muted);font-size:.9rem}.loading{text-align:center;color:var(--muted);padding:2rem}.auth-layout{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.auth-card{background:#fff;border-radius:10px;width:100%;max-width:420px;padding:2rem;box-shadow:0 2px 12px #0000000f}.auth-title{color:var(--primary);margin:0 0 1rem}