:root{--color-bg:#f7f7f8;--color-text:#1a1a1a;--color-primary:#1a73e8;--color-border:#d9d9df;--color-danger:#c0392b;--color-success:#2e7d32;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);margin:0}.page{max-width:480px;margin:0 auto;padding:24px 16px 64px}.page.wide{max-width:920px}h1{font-size:1.4rem}label{margin:14px 0 4px;font-size:.9rem;display:block}input,select{border:1px solid var(--color-border);border-radius:8px;width:100%;padding:10px 12px;font-size:1rem}button{cursor:pointer;background:var(--color-primary);color:#fff;border:none;border-radius:8px;margin-top:16px;padding:10px 16px;font-size:1rem}button.secondary{color:var(--color-primary);border:1px solid var(--color-primary);background:0 0}button:disabled{opacity:.6;cursor:not-allowed}.error-text{color:var(--color-danger);margin-top:8px;font-size:.9rem}.success-text{color:var(--color-success);margin-top:8px;font-size:.9rem}.banner{background:#fff3cd;border:1px solid #ffe69c;border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:.9rem}.banner.danger{background:#fdecea;border-color:#f5c6cb}nav.tabs{border-bottom:1px solid var(--color-border);gap:8px;margin-bottom:20px;display:flex}nav.tabs a{color:var(--color-text);opacity:.6;padding:10px 6px;text-decoration:none}nav.tabs a.active{opacity:1;border-bottom:2px solid var(--color-primary);font-weight:600}table{border-collapse:collapse;width:100%;margin-top:12px}th,td{text-align:start;border-bottom:1px solid var(--color-border);padding:8px 6px;font-size:.9rem}.lang-switcher{justify-content:flex-end;gap:8px;padding:12px 16px 0;font-size:.85rem;display:flex}.lang-switcher a{color:var(--color-text);opacity:.6;text-decoration:none}.lang-switcher a.active{opacity:1;font-weight:600}