.tc-popup-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 999999;
}
.tc-popup-content {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 30px;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
.tc-popup-content h2 { margin-top: 0; }
.tc-popup-desc {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid #ddd;
    background: #f9f9f9;
}
.tc-popup-action { margin-bottom: 20px; font-weight: bold; }
.tc-popup-buttons { display: flex; justify-content: flex-end; gap: 10px; }
.tc-popup-buttons button:disabled { opacity: 0.5; cursor: not-allowed; }