/* Removed body style to prevent affecting the whole site */
.pv-container{max-width:1200px;margin:0 auto;background:white;border-radius:12px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,0.1)}
h1{text-align:center;color:#2c3e50;margin-bottom:30px;font-weight:300}
.pv-controls{display:flex;gap:15px;align-items:center;margin-bottom:20px;flex-wrap:wrap;justify-content:space-between}
.pv-controls label{font-weight:500;color:#555}
select, input[type="text"]{padding:8px 12px;border:1px solid #ddd;border-radius:6px;background:#fff;font-size:14px;transition:border-color 0.3s}
select:focus, input[type="text"]:focus{border-color:#27ae60;outline:none}
.pv-count{color:#7f8c8d;font-size:14px;font-weight:500}
/* Optimization: contain content to help browser rendering */
#pv-list { contain: content; }
.pv-pub{background:#fff;border:1px solid #e1e8ed;border-radius:8px;padding:20px;margin-bottom:15px;transition:box-shadow 0.3s,transform 0.2s}
.pv-pub:hover{box-shadow:0 6px 25px rgba(0,0,0,0.1);transform:translateY(-2px)}
.pv-pub .pv-citation{font-size:16px;line-height:1.5;color:#2c3e50;margin-bottom:10px}
.pv-year-heading{background:linear-gradient(135deg,#27ae60 0%,#2ecc71 100%);color:white;padding:12px 20px;margin:25px 0 15px;border-radius:8px;font-weight:600;text-align:center;letter-spacing:0.5px}
.pv-type-heading{margin-top:40px;color:#27ae60;font-weight:600;font-size:24px}
.pv-pagination{margin-top:25px;display:flex;gap:10px;align-items:center;justify-content:center}
.pv-page-btn{padding:10px 15px;border:1px solid #27ae60;background:#27ae60;color:white;border-radius:6px;cursor:pointer;font-size:14px;transition:background 0.3s,transform 0.2s}
.pv-page-btn:hover{background:#229954;transform:scale(1.05)}
.pv-page-btn[disabled]{background:#bdc3c7;border-color:#bdc3c7;cursor:not-allowed;transform:none}
.pv-tooltip{position:fixed;z-index:10000;max-width:400px;background:#2c3e50;color:#fff;padding:15px;border-radius:8px;box-shadow:0 8px 30px rgba(0,0,0,0.3);display:none;font-size:14px;line-height:1.4;pointer-events:none}
.pv-tooltip::before{content:'';position:absolute;top:-8px;left:20px;width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:8px solid #2c3e50}
@media (max-width:768px){.pv-controls{flex-direction:column;align-items:stretch}.pv-pub{padding:15px}.pv-year-heading{padding:10px}}
.pv-citation a { color: #3498db; text-decoration: none; font-weight: 500;}
.pv-citation a:hover { text-decoration: underline; }