.tool-header{display:flex;align-items:center;justify-content:space-between;padding:16px;background-color:var(--color-accent);color:#fff}.back-link{color:#fff;text-decoration:none}.tool-title{font-size:18px;margin:0;font-weight:600}.share-button{background:none;border:none;color:#fff;cursor:pointer;padding:4px}.text-area-container{display:flex;flex-direction:column;gap:20px;margin-bottom:24px;width:100%;max-width:100%}.input-container,.output-container{background-color:var(--card-bg-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);border:1px solid rgba(255,255,255,.5);box-shadow:var(--box-shadow);padding:16px;width:100%;box-sizing:border-box}.text-label{display:block;font-weight:600;margin-bottom:8px}.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;width:100%}.text-input,.text-output{width:100%;min-height:150px;padding:12px;border:1px solid rgba(200,200,200,.3);border-radius:8px;font-family:inherit;font-size:14px;resize:vertical;background-color:var(--color-surface);transition:border-color .3s;box-sizing:border-box}.text-input:focus{outline:none;border-color:var(--color-accent)}.text-output{background-color:var(--color-bg-secondary)}.copy-button{background:none;border:none;color:var(--color-accent);cursor:pointer;padding:4px}.settings-section{background-color:var(--card-bg-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);border:1px solid rgba(255,255,255,.5);box-shadow:var(--box-shadow);padding:16px;margin-bottom:24px;width:100%;box-sizing:border-box}.setting-item{margin-bottom:16px;width:100%}.setting-item:last-child{margin-bottom:0}.setting-label{display:block;font-weight:600;margin-bottom:8px}.radio-group{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.radio-item{display:flex;align-items:center;gap:8px}.radio-item label{font-size:14px}.checkbox-group{display:grid;grid-template-columns:1fr;gap:12px;width:100%}.checkbox-item{display:flex;align-items:center;gap:8px}.checkbox-item label{font-size:14px}.quote-level-selector{display:flex;align-items:center;gap:12px;margin-bottom:8px;width:100%}.level-button{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background-color:#fffc;border:1px solid rgba(200,200,200,.5);border-radius:50%;font-size:16px;font-weight:700;cursor:pointer;transition:var(--transition)}.level-button:active{transform:scale(.95)}.level-value{font-size:16px;font-weight:600;min-width:24px;text-align:center}.level-preview{font-size:14px;color:var(--color-text-secondary);margin-top:8px;width:100%}.custom-style-settings{margin-top:-8px;padding:12px;background-color:#ffffff80;border-radius:8px;margin-bottom:16px;width:100%;box-sizing:border-box}.custom-prefix-container{display:flex;flex-direction:column;gap:8px;width:100%}.custom-prefix-input{width:100%;max-width:120px;padding:8px 12px;border:1px solid rgba(200,200,200,.5);border-radius:4px;font-size:14px}.custom-prefix-preview{font-size:13px;color:var(--color-text-secondary);width:100%}.convert-button{background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--border-radius);padding:16px;font-size:16px;font-weight:600;width:100%;cursor:pointer;transition:var(--transition);margin-bottom:24px;box-sizing:border-box}.convert-button:active{transform:scale(.98)}.share-result-section{margin-bottom:24px;width:100%}.share-result-buttons{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;width:100%}.share-result-button{display:flex;align-items:center;justify-content:center;gap:8px;background-color:var(--card-bg-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;border:1px solid rgba(255,255,255,.5);box-shadow:var(--box-shadow);padding:8px 16px;font-size:14px;color:var(--color-text);cursor:pointer;transition:var(--transition)}.share-result-button:active{transform:scale(.98)}.share-result-button.twitter{background-color:#1da1f2;color:#fff;border:none}.share-result-button.web-share{background-color:var(--color-accent);color:#fff;border:none}.hint-text{font-size:14px;color:var(--color-text-secondary);text-align:center;margin-bottom:24px;width:100%}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%) translateY(100px);background-color:#000000b3;color:#fff;padding:12px 24px;border-radius:24px;font-size:14px;opacity:0;transition:transform .3s ease,opacity .3s ease;z-index:1000}.toast.show{transform:translate(-50%) translateY(0);opacity:1}@media(min-width:768px){.radio-group{grid-template-columns:repeat(3,1fr)}.checkbox-group{grid-template-columns:repeat(2,1fr)}}