/* Egyptian Theme Loader */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--egyptian-dark) 0%, var(--egyptian-gray) 100%);
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
}

.loader-container.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Animated Background Elements */
.loader-container::before,
.loader-container::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--egyptian-gold) 0%, transparent 70%);
    opacity: 0.1;
    animation: pulseBackground 4s infinite ease-in-out;
}

.loader-container::before {
    top: -100px;
    left: -100px;
}

.loader-container::after {
    bottom: -100px;
    right: -100px;
    animation-delay: -2s;
}

/* Pyramid Container */
.pyramid-container {
    position: relative;
    width: 200px;
    height: 200px;
    transform-style: preserve-3d;
    animation: pyramidRotate 8s infinite linear;
}

/* Pyramid */
.pyramid {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.pyramid-face {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--egyptian-gold);
    opacity: 0.8;
    border: 2px solid var(--egyptian-bright-gold);
    box-shadow: 0 0 20px rgba(173, 130, 49, 0.3);
    transform-style: preserve-3d;
}

.pyramid-face.front {
    transform: translateZ(100px) rotateY(0deg);
}

.pyramid-face.back {
    transform: translateZ(-100px) rotateY(180deg);
}

.pyramid-face.left {
    transform: translateX(-100px) rotateY(-90deg);
}

.pyramid-face.right {
    transform: translateX(100px) rotateY(90deg);
}

.pyramid-face.bottom {
    transform: translateY(100px) rotateX(90deg);
}

/* Rotating Circles */
.rotating-circles {
    position: absolute;
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    animation: circlesRotate 10s infinite linear;
}

.circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--egyptian-gold);
    border-radius: 50%;
    transform-style: preserve-3d;
}

.circle:nth-child(1) { transform: rotateX(0deg); }
.circle:nth-child(2) { transform: rotateX(45deg); }
.circle:nth-child(3) { transform: rotateX(90deg); }
.circle:nth-child(4) { transform: rotateX(135deg); }

/* Hieroglyphic Symbols */
.hieroglyphic {
    position: absolute;
    width: 40px;
    height: 40px;
    background: var(--egyptian-dark);
    border: 2px solid var(--egyptian-gold);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--egyptian-gold);
    box-shadow: 0 0 10px rgba(173, 130, 49, 0.3);
    transform-style: preserve-3d;
    animation: glowPulse 2s infinite ease-in-out;
}

.hieroglyphic:nth-child(1) { top: -20px; left: 50%; transform: translateX(-50%) translateZ(150px); }
.hieroglyphic:nth-child(2) { right: -20px; top: 50%; transform: translateY(-50%) translateZ(150px); }
.hieroglyphic:nth-child(3) { bottom: -20px; left: 50%; transform: translateX(-50%) translateZ(150px); }
.hieroglyphic:nth-child(4) { left: -20px; top: 50%; transform: translateY(-50%) translateZ(150px); }

/* Loading Text */
.loading-text {
    color: var(--egyptian-gold);
    font-size: 2.5rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 2rem;
    text-shadow: 0 0 10px rgba(173, 130, 49, 0.5);
    font-family: 'Orbitron', sans-serif;
    animation: textPulse 2s ease-in-out;
}

/* Logo */
.loader-logo {
    width: 250px;
    height: 250px;
    margin-bottom: 2rem;
    animation: logoPulse 2s ease-in-out;
}

.loader-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
}

@keyframes logoPulse {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Progress Bar */
.progress-bar {
    width: 300px;
    height: 8px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.2);
    position: relative;
    backdrop-filter: blur(1px);
}

.progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, 
        rgba(255, 215, 0, 0.4) 0%, 
        rgba(255, 255, 255, 0.8) 50%, 
        rgba(255, 215, 0, 0.4) 100%);
    width: 0%;
    animation: progressFill 2s ease-in-out forwards;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
    border-radius: 4px;
}

.progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.8) 50%,
        transparent 100%);
    animation: shine 1.5s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes progressFill {
    0% { 
        width: 0%;
        background-position: 0% 0%;
    }
    100% { 
        width: 100%;
        background-position: 100% 0%;
    }
}

/* Loader Animations */
@keyframes pyramidRotate {
    0% { transform: rotateX(45deg) rotateY(45deg); }
    100% { transform: rotateX(405deg) rotateY(405deg); }
}

@keyframes circlesRotate {
    0% { transform: rotateY(0deg) rotateX(0deg); }
    100% { transform: rotateY(360deg) rotateX(360deg); }
}

@keyframes textPulse {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulseBackground {
    0%, 100% {
        transform: scale(1);
        opacity: 0.1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.2;
    }
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(173, 130, 49, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 20px rgba(173, 130, 49, 0.5);
        transform: scale(1.1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .loader-container {
        padding: 0 20px;
    }

    .pyramid-container {
        width: 150px;
        height: 150px;
    }

    .pyramid-face.front { transform: translateZ(75px) rotateY(0deg); }
    .pyramid-face.back { transform: translateZ(-75px) rotateY(180deg); }
    .pyramid-face.left { transform: translateX(-75px) rotateY(-90deg); }
    .pyramid-face.right { transform: translateX(75px) rotateY(90deg); }
    .pyramid-face.bottom { transform: translateY(75px) rotateX(90deg); }

    .rotating-circles {
        width: 200px;
        height: 200px;
    }

    .hieroglyphic {
        width: 30px;
        height: 30px;
        font-size: 1.2rem;
    }

    .loading-text {
        font-size: 1.8rem;
        text-align: center;
        padding: 0 10px;
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }

    .progress-bar {
        width: 250px;
        height: 6px;
    }

    .loader-logo {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .loader-logo {
        width: 180px;
        height: 180px;
    }

    .loading-text {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }

    .progress-bar {
        width: 220px;
    }
}

/* Loader background motif (faint hieroglyphs or grid) */
.loader-bg-motif {
    position: absolute;
    inset: 0;
    background: url('../assets/images/hieroglyphs-pattern.svg') center/200px repeat;
    opacity: 0.07;
    z-index: 0;
    pointer-events: none;
}

/* Matrix/data stream effect */
.loader-matrix {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}
.loader-matrix::before, .loader-matrix::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--egyptian-gold) 0%, transparent 100%);
    opacity: 0.15;
    left: 20%;
    animation: matrixStream 2.5s linear infinite;
}
.loader-matrix::after {
    left: 70%;
    animation-delay: 1.2s;
}
@keyframes matrixStream {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* Loader ankh/digital symbol */
.loader-ankh {
    position: absolute;
    left: 50%;
    bottom: -40px;
    transform: translateX(-50%);
    font-size: 2.5rem;
    color: var(--egyptian-gold);
    text-shadow: 0 0 20px var(--egyptian-gold), 0 0 40px var(--egyptian-gold);
    font-family: 'Orbitron', sans-serif;
    z-index: 3;
    animation: loaderAnkhGlow 2s infinite alternate;
}
@keyframes loaderAnkhGlow {
    0% { text-shadow: 0 0 10px var(--egyptian-gold); }
    100% { text-shadow: 0 0 30px var(--egyptian-gold), 0 0 60px var(--egyptian-gold); }
}

/* Loader title */
.loader-title {
    position: absolute;
    left: 50%;
    top: 60%;
    transform: translate(-50%, 0);
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: var(--egyptian-gold);
    letter-spacing: 0.2em;
    text-shadow: 0 0 10px var(--egyptian-gold);
    z-index: 3;
    animation: loaderTitleGlow 2s infinite alternate;
}
@keyframes loaderTitleGlow {
    0% { text-shadow: 0 0 10px var(--egyptian-gold); }
    100% { text-shadow: 0 0 30px var(--egyptian-gold), 0 0 60px var(--egyptian-gold); }
}