:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color-scheme:light dark}body{margin:0;background:Canvas;color:CanvasText}.страница{min-height:100vh;display:grid;place-items:center;padding:24px}.карточка{display:flex;flex-direction:column;gap:12px;width:min(320px,100%);padding:24px;border:1px solid color-mix(in srgb,CanvasText 20%,transparent);border-radius:12px}.карточка h1{margin:0 0 4px;font-size:20px}label{display:flex;flex-direction:column;gap:4px;font-size:13px}input{padding:8px;font:inherit;border:1px solid color-mix(in srgb,CanvasText 30%,transparent);border-radius:6px;background:Field;color:FieldText}button{padding:9px;font:inherit;border:0;border-radius:6px;background:AccentColor;color:AccentColorText;cursor:pointer}button:disabled{opacity:.6;cursor:default}.ошибка{margin:0;font-size:13px;color:#c0392b}.тихо{margin:0;font-size:13px;opacity:.7}