:root{--primary:#007bff;--secondary:#6c757d;--error:#dc3545}
.navbar{background:#fff;padding:15px 20px;box-shadow:0 2px 8px #0000001a;margin-bottom:20px}
.nav-container{max-width:800px;margin:0 auto;display:flex;gap:15px;flex-wrap:wrap}
.nav-btn{padding:8px 20px;border-radius:20px;background:var(--primary);color:#fff;text-decoration:none;font-size:14px;transition:all .3s;border:1px solid var(--primary);box-shadow:0 2px 4px #0000001a}
.nav-btn:hover{background:#0069d9;transform:translateY(-2px);box-shadow:0 3px 6px #00000015}
.main-title{color:#2c3e50;text-align:center;font-size:24px;margin:20px 0;text-shadow:1px 1px 2px #0000001a}
.sub-title{color:#34495e;text-align:center;font-size:16px;margin:15px 0;padding:10px;background:#f8f9fa;border-radius:8px}
.modal-mask{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:999}
.modal-content{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:25px;border-radius:10px;width:90%;max-width:400px}
.modal-text{margin:15px 0;line-height:1.6}
.modal-link{color:var(--primary);text-decoration:underline}
.modal-input{width:100%;padding:12px;margin:15px 0;border:1px solid #ddd;border-radius:6px}
body{margin:0;padding:15px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:#f5f5f5}
.container{max-width:800px;margin:0 auto}
.search-box{display:flex;gap:10px;margin-bottom:20px;position:relative}
#filename{flex:1;padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color .3s}
#filename:focus{border-color:var(--primary);outline:0}
button{padding:12px 25px;background:var(--primary);color:#fff;border:0;border-radius:8px;cursor:pointer;transition:opacity .3s}
button:active{opacity:.8}
.results-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.result-card{background:#fff;border-radius:12px;padding:15px;box-shadow:0 2px 8px #0000001a;transition:transform .2s}
.result-card:hover{transform:translateY(-2px)}
.result-card h3{margin:0 0 10px;font-size:16px;color:#333;line-height:1.4}
.result-card a{display:block;color:var(--primary);text-decoration:none;font-weight:500;cursor:pointer}
.loading{text-align:center;padding:20px;color:#666}
.loading::after{content:"···";animation:loading 1s infinite}
.error{padding:15px;background:#ffe3e3;border-radius:8px;color:var(--error);margin:20px 0}
.disclaimer{margin-top:30px;padding:20px;background:#f8f9fa;border-radius:8px;font-size:12px;color:#666;line-height:1.6}
@media (max-width:768px){.search-box{flex-direction:column}.results-grid{grid-template-columns:1fr}button{width:100%}.modal-content{width:85%}}
@keyframes loading{0%,100%{opacity:.3}50%{opacity:1}}