@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--bg-color: #f8fafc;--card-bg: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--success-color: #10b981;--error-color: #ef4444;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--radius: 12px}[data-theme=dark]{--primary-color: #6366f1;--primary-hover: #818cf8;--bg-color: #0f172a;--card-bg: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--border-color: #334155;--shadow: 0 4px 6px -1px rgb(0 0 0 / .5), 0 2px 4px -2px rgb(0 0 0 / .5)}*,*:before,*:after{box-sizing:border-box;transition:background-color .3s ease,border-color .3s ease,color .3s ease}*:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5;padding:0;margin:0;min-height:100vh}.app-wrapper{display:flex;flex-direction:column;min-height:100vh;padding:2rem 1rem}.container{max-width:900px;margin:0 auto;width:100%;flex:1}header{text-align:center;margin-bottom:2.5rem;position:relative}.back-link{display:inline-flex;align-items:center;gap:.5rem;margin:0 auto 1.5rem;color:var(--text-muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s;border-bottom:1px solid transparent}.back-link:hover{color:var(--primary-color);border-bottom-color:var(--primary-color)}h1{font-size:2.5rem;font-weight:800;color:var(--primary-color);margin-bottom:.5rem;letter-spacing:-.025em}.description{color:var(--text-muted);font-size:1.125rem;max-width:600px;margin:0 auto}.tools-grid{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;margin-bottom:2.5rem}.tool-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border-color);padding:2rem 1.5rem;width:320px;display:flex;flex-direction:column;align-items:center;transition:box-shadow .2s,transform .2s;text-decoration:none;color:inherit}.tool-card:hover{box-shadow:0 8px 24px #4f46e51f;transform:translateY(-2px) scale(1.01)}.tool-icon{font-size:2.5rem;margin-bottom:1rem;color:var(--primary-color)}.tool-card h2{font-size:1.25rem;margin-bottom:.5rem;color:var(--primary-color)}.tool-card p{color:var(--text-muted);font-size:1rem;margin-bottom:1rem;text-align:center;flex:1}.tool-features{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;justify-content:center}.feature{background:#f1f5f9;color:var(--primary-color);border-radius:6px;padding:.25rem .75rem;font-size:.85rem}.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;padding:.75rem 2rem;font-size:1rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s;border:none;color:#fff;background-color:var(--primary-color);text-decoration:none;margin-top:.5rem}.btn:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px)}.btn:focus-visible{outline:2px solid var(--text-main);outline-offset:2px}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}footer{text-align:center;margin-top:4rem;padding-bottom:2rem;color:var(--text-muted);font-size:.875rem}.card{background:var(--card-bg);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);margin-bottom:2rem;border:1px solid var(--border-color)}.section-title{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--text-main)}textarea{width:100%;min-height:200px;padding:1rem;border:1px solid var(--border-color);border-radius:8px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;transition:background-color .3s ease,border-color .3s ease,color .3s ease,box-shadow .2s;resize:vertical;outline:none;background-color:var(--bg-color);color:var(--text-main);direction:ltr;text-align:left}textarea:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a;outline:none}textarea:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}textarea[aria-invalid=true]{border-color:var(--error-color);box-shadow:0 0 0 3px #ef44441a}.btn-container{display:flex;justify-content:center;gap:1rem;margin:1.5rem 0}.btn-primary{background-color:var(--primary-color)!important}.btn-success{background-color:var(--success-color)!important}.error-msg{color:var(--error-color);font-size:.875rem;margin-top:.5rem;text-align:center}@media(max-width:900px){.tools-grid{flex-direction:column;align-items:center}.tool-card{width:100%;max-width:400px}}@media(max-width:640px){.card{padding:1.25rem}.btn-container{flex-direction:column}.btn{width:100%}}