    /* Popup Component Styles */
    .popup-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(15, 23, 42, 0.6);
        backdrop-filter: blur(6px);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 10000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .popup-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .popup-box {
        background: #ffffff;
        width: 90%;
        max-width: 520px;
        border-radius: 24px;
        padding: 36px 32px 32px 32px;
        box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.04);
        position: relative;
        transform: translateY(20px) scale(0.96);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        text-align: center;
        font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        box-sizing: border-box;
    }

    .popup-overlay.active .popup-box {
        transform: translateY(0) scale(1);
    }

    .close-btn {
        position: absolute;
        top: 18px;
        right: 18px;
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        border-radius: 50%;
        width: 36px;
        height: 36px;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        transition: all 0.2s ease;
        color: #64748b;
    }

    .close-btn:hover {
        background-color: #f1f5f9;
        color: #0f172a;
        transform: rotate(90deg);
    }

    .close-btn svg {
        width: 16px;
        height: 16px;
    }

    .icon-container {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
        border-radius: 18px;
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0 auto 16px auto;
        box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
        color: #ffffff;
        font-size: 28px;
    }

    .popup-content h2 {
        font-size: 1.4rem;
        color: #0f172a;
        margin-bottom: 12px;
        font-weight: 700;
        letter-spacing: -0.025em;
    }

    .popup-content > p {
        font-size: 0.93rem;
        color: #475569;
        line-height: 1.5;
        margin-bottom: 16px;
        text-align: left;
    }

    .info-card {
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        border-radius: 12px;
        padding: 14px 16px;
        margin-bottom: 16px;
        text-align: left;
    }

    .info-item {
        display: flex;
        align-items: center;
        font-size: 0.9rem;
        color: #334155;
        margin-bottom: 8px;
        font-weight: 500;
    }

    .info-item:last-child {
        margin-bottom: 0;
    }

    .info-item span {
        margin-right: 10px;
        font-size: 1.1rem;
    }

    .button-group {
        display: flex;
        gap: 12px;
        margin-top: 20px;
    }

    .action-btn {
        flex: 1;
        display: inline-block;
        padding: 12px 16px;
        border-radius: 12px;
        font-weight: 600;
        font-size: 0.95rem;
        text-decoration: none;
        transition: all 0.2s ease;
        text-align: center;
    }

    .btn-primary {
        background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
        color: #ffffff;
        box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
        opacity: 0.95;
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
    }

    .btn-secondary {
        background: #ffffff;
        color: #4f46e5;
        border: 2px solid #4f46e5;
    }

    .btn-secondary:hover {
        background: #f5f3ff;
        transform: translateY(-1px);
    }

    .action-btn:active {
        transform: translateY(1px);
    }