*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;color:#333}.container{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;max-width:900px;width:100%;overflow:hidden;animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:40px;text-align:center}header h1{font-size:2.5rem;margin-bottom:10px;font-weight:700}.subtitle{font-size:1rem;opacity:.95}kbd{background:#fff3;padding:4px 8px;border-radius:4px;font-family:monospace;font-size:.9em;border:1px solid rgba(255,255,255,.3)}main{padding:40px}.paste-area{border:3px dashed #667eea;border-radius:12px;padding:60px 40px;text-align:center;background:#f8f9ff;transition:all .3s ease;cursor:text;min-height:300px;display:flex;align-items:center;justify-content:center}.paste-area:focus{outline:none;border-color:#764ba2;background:#f0f2ff;box-shadow:0 0 0 4px #667eea1a}.paste-area:hover{border-color:#764ba2;background:#f0f2ff}.paste-prompt{color:#667eea}.icon{margin-bottom:20px;opacity:.7}.paste-prompt p{font-size:1.2rem;margin-bottom:8px;font-weight:600}.hint{font-size:.9rem!important;opacity:.6!important;font-weight:400!important}.output-section{margin-top:30px;animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.output-header h2{font-size:1.5rem;color:#333}.btn{padding:10px 20px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:8px}.btn-copy{background:#667eea;color:#fff}.btn-copy:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-copy:active{transform:translateY(0)}.btn-clear{background:#e0e0e0;color:#333;width:100%;margin-top:15px;justify-content:center}.btn-clear:hover{background:#d0d0d0}.icon-small{width:16px;height:16px}.markdown-output{background:#1e1e1e;color:#d4d4d4;padding:20px;border-radius:8px;font-family:Monaco,Menlo,Courier New,monospace;font-size:.9rem;line-height:1.6;overflow-x:auto;white-space:pre-wrap;word-wrap:break-word;max-height:500px;overflow-y:auto}.status{margin-top:20px;padding:15px;border-radius:8px;text-align:center;font-weight:600;display:none}.status.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb;display:block;animation:fadeIn .3s ease-out}.status.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb;display:block;animation:fadeIn .3s ease-out}.status.info{background:#d1ecf1;color:#0c5460;border:1px solid #bee5eb;display:block;animation:fadeIn .3s ease-out}footer{background:#f8f9fa;padding:20px;text-align:center;color:#666;font-size:.9rem}footer a{color:#667eea;text-decoration:none;font-weight:600}footer a:hover{text-decoration:underline}@media(max-width:768px){header h1{font-size:2rem}.paste-area{padding:40px 20px;min-height:200px}main{padding:20px}}