.markdown-tool{padding-bottom:4rem}.tool-header-section{text-align:center;margin-bottom:3rem}.tool-header-section h1{font-size:2.5rem;font-weight:800;margin-bottom:1rem;background:linear-gradient(135deg,var(--foreground) 0%,#444 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.tool-description{font-size:1.125rem;color:#64748b;max-width:600px;margin:0 auto}.converter-container{background:var(--card);border:1px solid var(--border);border-radius:1.5rem;padding:2rem;box-shadow:0 4px 6px -1px #0000000d;margin-bottom:3rem}.converter-container.single-layout{max-width:900px;margin:0 auto 3rem}.panel-wrapper{display:flex;flex-direction:column;gap:1rem}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.panel-header h3{font-size:1.125rem;font-weight:600;color:var(--foreground)}.action-buttons{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.action-icon-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:99px;font-size:.875rem;font-weight:500;transition:all .2s;background:transparent;border:1px solid var(--border);color:#64748b;cursor:pointer}.action-icon-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:#6366f10d}.copy-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1.25rem;border-radius:99px;font-size:.9rem;font-weight:600;transition:all .2s;background:var(--primary);color:#fff;border:none;cursor:pointer;box-shadow:0 2px 8px #6366f140}.copy-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #6366f159}.copy-btn:disabled,.action-icon-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.custom-textarea{width:100%;padding:1.5rem;border:1px solid var(--border);border-radius:var(--radius);resize:vertical;font-family:var(--font-mono);font-size:1rem;line-height:1.6;background-color:var(--background);color:var(--foreground);transition:all .2s}.custom-textarea.large-editor{height:500px}.custom-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #6366f11a}.info-section{max-width:800px;margin:0 auto;text-align:center}.info-section h2{font-size:1.75rem;font-weight:700;margin-bottom:1rem}.info-section p{color:#64748b;line-height:1.7}