.tool-info{background-color:#dbeafe;padding:1.5rem;border-radius:.375rem;margin-top:1.5rem;border:1px solid #93c5fd}.tool-info h2{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:#2d1810}.tool-info p{color:#5d4037;line-height:1.6;font-size:16px}.tool-info p,.tool-info__content{margin-bottom:1.5rem}.tool-info__tips h3{font-size:1.125rem;font-weight:600;margin-bottom:.75rem;color:#2d1810}.tool-info__tips-list{list-style-type:disc;padding-left:1.5rem;color:#5d4037;line-height:1.6}.tool-info__tips-list li{margin-bottom:.5rem;font-size:16px}@media(max-width:768px){.tool-info{padding:1rem;margin-top:1rem}.tool-info h2{font-size:1.125rem;margin-bottom:.75rem}.tool-info p{margin-bottom:1rem}.tool-info__tips-list{padding-left:1rem}}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-weight:500;border-radius:.375rem;border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-decoration:none;line-height:1}.btn:disabled{opacity:.6;cursor:not-allowed}.btn--sm{padding:.25rem .75rem;font-size:.875rem}.btn--md{padding:.5rem 1rem;font-size:16px}.btn--lg{padding:.75rem 1.5rem;font-size:1.125rem}.btn--primary{background-color:#fdfcfa;color:#5d4037;border-color:#d0d0d0}.btn--primary:hover:not(:disabled){background-color:#fcfaf8;border-color:#d0d0d0;transform:translateY(-1px)}.btn--primary:active:not(:disabled){transform:translateY(0)}.btn--secondary{background-color:#fff;color:#5d4037;border-color:#d0d0d0}.btn--secondary:hover:not(:disabled){background-color:#fdfcfa;border-color:#d0d0d0;transform:translateY(-1px)}.btn--secondary:active:not(:disabled){transform:translateY(0)}.btn--outline{background-color:transparent;color:#5d4037;border-color:#d0d0d0}.btn--outline:hover:not(:disabled){background-color:#fdfcfa;color:#5d4037;transform:translateY(-1px)}.btn--outline:active:not(:disabled){transform:translateY(0)}.tool__header{margin-bottom:2rem}.tool__header h1{font-size:1.5rem;font-weight:700;margin-bottom:.5rem;color:#2d1810}.tool__header p{color:#5d4037;font-size:1.125rem}.tool__controls{display:flex;flex-direction:column;gap:1.5rem}.tool__mode-selector{display:flex;gap:.75rem;margin-bottom:1rem}.tool__encode-options{background-color:#fff;padding:1rem;border-radius:.375rem;border:1px solid #ede0d0}.tool__encode-options>label{display:block;font-weight:600;margin-bottom:.5rem;color:#2d1810}.tool__radio-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:.75rem}.tool__radio-group label{display:flex;align-items:center;gap:.5rem;cursor:pointer}.tool__radio-group label input[type=radio]{width:16px;height:16px;cursor:pointer}.tool__radio-group label span{color:#2d1810}.tool__encode-info{padding:.75rem;background-color:#fdfcfa;border-radius:.375rem;border:1px solid #ede0d0}.tool__encode-info p{color:#5d4037;font-size:.9rem;line-height:1.4}.tool__input-group{display:flex;flex-direction:column;gap:.5rem}.tool__input-group label{font-weight:600;color:#2d1810}.tool__input-group textarea{width:100%;padding:.75rem;border:1px solid #ede0d0;border-radius:.375rem;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-size:16px;resize:vertical;min-height:120px;background-color:#fff}.tool__input-group textarea:focus{outline:none;border-color:#e07a5f;box-shadow:0 0 0 2px rgba(224,122,95,.1)}.tool__input-group textarea::placeholder{color:#8d6e63}.tool__input-group textarea[readonly]{background-color:#fdfcfa;cursor:default}.tool__convert-btn-wrapper{display:flex;justify-content:center;margin:1rem 0}