#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999999;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
    overflow: hidden;
}

    #page-loader.fade-out {
        opacity: 0;
        visibility: hidden;
    }

[data-bs-theme="dark"] #page-loader {
    background: #0b0f19;
}

.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.tech-loader {
    width: 150px;
    height: 150px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-loader-outter,
.tech-loader-inner,
.tech-loader-core {
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
}

.tech-loader-outter {
    width: 100%;
    height: 100%;
    border-top-color: #3b82f6;
    border-bottom-color: #3b82f6;
    animation: spin 4s linear infinite;
}

.tech-loader-inner {
    width: 70%;
    height: 70%;
    border-left-color: #60a5fa;
    border-right-color: #60a5fa;
    animation: spin-reverse 3s linear infinite;
}

.tech-loader-core {
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.5) 0%, rgba(59, 130, 246, 0) 70%);
    border: 2px solid #3b82f6;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5), inset 0 0 10px rgba(59, 130, 246, 0.3);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes spin-reverse {
    to {
        transform: rotate(-360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(0.9);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.loader-messages {
    color: #4b5563;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    min-height: 24px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

[data-bs-theme="dark"] .loader-messages {
    color: #9ca3af;
}

@media (max-width: 768px) {
    .tech-loader {
        width: 120px;
        height: 120px;
    }

    .loader-messages {
        font-size: 0.9rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tech-loader-outter,
    .tech-loader-inner,
    .tech-loader-core {
        animation: none;
    }
}

@media print {
    #page-loader {
        display: none !important;
    }
}