.content-area{padding:2rem 50px}.content-area .title{width:100%;font-size:2rem;font-weight:700;color:var(--gray-900);position:relative;display:inline-block;padding-bottom:.5rem}.content-area .title:before{content:"🔄";padding-right:2px}.content-area .subtitle{width:100%;margin-bottom:2rem}.text-areas{display:grid;grid-template-columns:1fr;gap:1.5rem}@media (min-width: 768px){.text-areas{grid-template-columns:1fr 1fr}}.text-area-container{display:flex;flex-direction:column}.text-area-label{font-size:1rem;color:var(--gray-600);margin-bottom:.5rem;font-weight:500}.text-area{width:100%;min-height:250px;padding:1rem;font-size:1rem;border:2px solid var(--gray-200);border-radius:var(--border-radius);resize:vertical;transition:var(--transition);color:var(--gray-900);background-color:var(--white)}.text-area:focus{outline:none;border-color:var(--gray-400);box-shadow:0 0 0 1px #3f37c90d}.text-area::placeholder{color:var(--gray-400)}.options-section{margin:1.5rem 0;background-color:var(--gray-100);border-radius:var(--border-radius);padding:1.5rem}.buttons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.action-button{background-color:var(--blue-700);color:var(--white);border:none;border-radius:var(--border-radius);padding:.75rem 1rem;font-size:.9rem;cursor:pointer;transition:var(--transition);text-align:center}.action-button:hover{background-color:#322da0;transform:translateY(-2px)}.action-button:active{transform:translateY(0)}.button-cleanup{background-color:var(--orange-500)}.button-cleanup:hover{background-color:var(--orange-600)}.button-copy{background-color:var(--green-600)}.button-copy:hover{background-color:#28ae61}.button-swap{background-color:var(--yellow-700)}.button-swap:hover{background-color:#e67e22}.button-clear{background-color:var(--red-500)}.button-clear:hover{background-color:#c0392b}.advanced-options{margin-top:1.5rem}.advanced-options-title{font-size:1.1rem;color:var(--gray-600);margin-bottom:1rem;border-bottom:2px solid var(--gray-200);padding-bottom:.5rem}.option-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-bottom:1rem}.option-item{display:flex;align-items:center;gap:.5rem}.option-label{font-size:.9rem;color:var(--gray-600)}.text-stats{background-color:var(--green-50);border-radius:var(--border-radius);padding:1rem;margin-top:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.stat-item{text-align:center}.stat-label{font-size:.85rem;color:var(--gray-600)}.stat-value{font-size:1.25rem;font-weight:600;color:var(--blue-700)}.custom-case-section{margin-top:1.5rem;padding:1rem;background-color:var(--yellow-100);border-radius:var(--border-radius)}.custom-case-title{font-size:1rem;color:var(--gray-600);margin-bottom:.75rem}.custom-case-controls{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}.custom-case-input{padding:.5rem;border:1px solid var(--gray-300);border-radius:var(--border-radius);flex-grow:1;min-width:150px}.find-replace-section{margin-top:1.5rem;padding:1rem;background-color:var(--gray-200);border-radius:var(--border-radius)}.find-replace-title{font-size:1rem;color:var(--gray-600);margin-bottom:.75rem}.find-replace-controls{display:grid;grid-template-columns:1fr;gap:.75rem}@media (min-width: 600px){.find-replace-controls{grid-template-columns:1fr 1fr auto}}.find-replace-input{padding:.5rem;border:1px solid var(--gray-300);border-radius:var(--border-radius)}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%);background-color:var(--gray-900);color:var(--white);padding:.75rem 1.5rem;border-radius:var(--border-radius);opacity:0;transition:opacity .3s ease;z-index:1000}.toast.show{opacity:1}