/* Fond animé ciel étoilé égyptien pour les pages hiéroglyphes */

body.hieroglyphes-theme {
    background: linear-gradient(to bottom, #0a0e27 0%, #1a1f3a 50%, #2d1b3d 100%);
    position: relative;
    overflow-x: hidden;
}

body.hieroglyphes-theme::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 80%, white, transparent),
        radial-gradient(2px 2px at 70% 20%, white, transparent);
    background-size: 200% 200%, 200% 200%, 200% 200%, 200% 200%, 200% 200%, 200% 200%, 200% 200%;
    background-position: 0% 0%, 40% 60%, 80% 20%, 10% 90%, 70% 40%, 30% 70%, 50% 10%;
    animation: starfield 120s linear infinite;
    pointer-events: none;
    z-index: 0;
}

/* Étoiles scintillantes */
body.hieroglyphes-theme::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 15% 45%, rgba(255, 255, 255, 0.8) 0%, transparent 1%),
        radial-gradient(circle at 85% 25%, rgba(255, 255, 255, 0.6) 0%, transparent 1%),
        radial-gradient(circle at 45% 75%, rgba(255, 255, 255, 0.7) 0%, transparent 1%),
        radial-gradient(circle at 65% 55%, rgba(255, 255, 255, 0.5) 0%, transparent 1%),
        radial-gradient(circle at 25% 15%, rgba(255, 255, 255, 0.9) 0%, transparent 1%);
    background-size: 100% 100%;
    animation: twinkle 3s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

/* Constellation d'Orion stylisée */
.constellation {
    position: fixed;
    top: 15%;
    right: 10%;
    width: 200px;
    height: 200px;
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
    animation: constellation-glow 8s ease-in-out infinite;
}

.constellation::before,
.constellation::after {
    content: '⭐';
    position: absolute;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.constellation::before {
    top: 30%;
    left: 20%;
}

.constellation::after {
    bottom: 30%;
    right: 20%;
}

/* Lune croissante égyptienne */
.egyptian-moon {
    position: fixed;
    top: 8%;
    left: 12%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffeaa7 0%, #fdcb6e 50%, #e17055 100%);
    box-shadow:
        0 0 40px rgba(253, 203, 110, 0.6),
        0 0 80px rgba(253, 203, 110, 0.4),
        inset -10px -10px 20px rgba(0, 0, 0, 0.3);
    animation: moon-pulse 6s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

/* Voie lactée subtile */
.milky-way {
    position: fixed;
    top: 0;
    left: -10%;
    width: 120%;
    height: 100%;
    background: linear-gradient(
        135deg,
        transparent 0%,
        rgba(100, 70, 150, 0.1) 20%,
        rgba(150, 100, 200, 0.15) 40%,
        rgba(100, 70, 150, 0.1) 60%,
        transparent 80%
    );
    transform: rotate(-25deg);
    animation: milky-way-drift 180s linear infinite;
    pointer-events: none;
    z-index: 0;
}

/* Silhouettes de pyramides au loin */
.pyramids-silhouette {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background:
        linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 100%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 200"><polygon points="200,200 300,50 400,200" fill="rgba(0,0,0,0.4)"/><polygon points="500,200 650,20 800,200" fill="rgba(0,0,0,0.5)"/><polygon points="900,200 1000,80 1100,200" fill="rgba(0,0,0,0.3)"/></svg>');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: bottom;
    pointer-events: none;
    z-index: 1;
    opacity: 0.7;
}

/* Animations */
@keyframes starfield {
    0% {
        background-position: 0% 0%, 40% 60%, 80% 20%, 10% 90%, 70% 40%, 30% 70%, 50% 10%;
    }
    100% {
        background-position: 100% 100%, 140% 160%, 180% 120%, 110% 190%, 170% 140%, 130% 170%, 150% 110%;
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

@keyframes constellation-glow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

@keyframes moon-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow:
            0 0 40px rgba(253, 203, 110, 0.6),
            0 0 80px rgba(253, 203, 110, 0.4),
            inset -10px -10px 20px rgba(0, 0, 0, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow:
            0 0 60px rgba(253, 203, 110, 0.8),
            0 0 120px rgba(253, 203, 110, 0.6),
            inset -10px -10px 20px rgba(0, 0, 0, 0.2);
    }
}

@keyframes milky-way-drift {
    0% {
        transform: rotate(-25deg) translateX(0);
    }
    100% {
        transform: rotate(-25deg) translateX(-20%);
    }
}

/* Container doit avoir un z-index plus élevé */
body.hieroglyphes-theme .container {
    position: relative;
    z-index: 10;
}