.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000}.upgrade-modal{background:#fff;border-radius:12px;padding:30px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;position:relative}.close-btn{position:absolute;top:15px;right:15px;background:none;border:none;font-size:28px;cursor:pointer;color:#666}.close-btn:hover{color:#000}.upgrade-modal h2{text-align:center;color:#1e40af;margin-bottom:20px}.price-box{text-align:center;margin:20px 0;padding:20px;background:#f0f9ff;border-radius:8px}.price{font-size:48px;font-weight:700;color:#1e40af}.period{font-size:18px;color:#666}.features-list{margin:20px 0}.features-list h3{font-size:16px;margin-bottom:15px;color:#333}.feature-item{padding:10px 0;border-bottom:1px solid #e5e7eb;display:flex;align-items:center}.feature-item .check{color:#10b981;font-size:20px;margin-right:10px}.upgrade-btn{width:100%;padding:15px;background:#1e40af;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;margin-top:20px}.upgrade-btn:hover:not(:disabled){background:#1e3a8a}.upgrade-btn:disabled{background:#9ca3af;cursor:not-allowed}.note{text-align:center;font-size:14px;color:#666;margin-top:15px}