/* === GLOBAL OVERLAY LAYERS === */
.snowflakes, .fireworks, .hearts, .bats, .leaves, .eggs, .confetti {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 9999;
}

/* === SNOW (Christmas) === */
.snowflake {
    position: absolute;
    top: -10px;
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
    animation: snowFall linear infinite;
}

@keyframes snowFall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}

/* === FIREWORKS (4th of July) === */
.firework {
    position: absolute;
    bottom: 0;
    width: 3px;
    height: 60px;
    background: linear-gradient(to top, red, white, blue);
    opacity: 0.9;
    animation: fireworkUp 1.2s ease-out infinite;
}

@keyframes fireworkUp {
    0% { transform: translateY(0); opacity: 1; }
    80% { transform: translateY(-80vh); opacity: 1; }
    100% { transform: translateY(-90vh); opacity: 0; }
}

/* === HEARTS (Valentine’s Day) === */
.heart {
    position: absolute;
    bottom: -20px;
    width: 14px;
    height: 14px;
    background-color: #ff4d6d;
    transform: rotate(45deg);
    animation: floatUp 4s linear infinite;
}
.heart::before,
.heart::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background-color: #ff4d6d;
    border-radius: 50%;
}
.heart::before { top: -7px; left: 0; }
.heart::after { left: -7px; top: 0; }

@keyframes floatUp {
    0% { transform: translateY(0) rotate(45deg); opacity: 1; }
    100% { transform: translateY(-100vh) rotate(45deg); opacity: 0; }
}

/* === BATS (Halloween) === */
.bat {
    position: absolute;
    width: 30px;
    height: 15px;
    background: black;
    border-radius: 50% 50% 0 0;
    animation: flyAcross 5s ease-in-out infinite;
}
@keyframes flyAcross {
    0% { transform: translateX(-10vw) translateY(10vh) scale(1); }
    50% { transform: translateX(100vw) translateY(5vh) scale(1.2); }
    100% { transform: translateX(-10vw) translateY(15vh) scale(1); }
}

/* === LEAVES (Thanksgiving) === */
.leaf {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #b36b00;
    border-radius: 50%;
    opacity: 0.9;
    animation: leafFall linear infinite;
}
@keyframes leafFall {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

/* === EASTER EGGS === */
.egg {
    position: absolute;
    bottom: 0;
    width: 14px;
    height: 18px;
    background: radial-gradient(circle at 50% 30%, #ffcc80, #ff80ab);
    border-radius: 50% / 60%;
    opacity: 0.9;
    animation: eggFloat 3s ease-in-out infinite;
}
@keyframes eggFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* === CONFETTI (New Year) === */
.confetto {
    position: absolute;
    width: 8px;
    height: 12px;
    opacity: 0.8;
    animation: confettiFall linear infinite;
}
@keyframes confettiFall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

/* === HOLIDAY COLOR THEMES (optional) === */
body.christmas-theme {
    background-color: #004225 !important;
    color: #fff !important;
}
body.valentines-theme {
    background-color: #8b0000 !important;
    color: #fff !important;
}
body.easter-theme {
    background-color: #f7e7ce !important;
    color: #333 !important;
}
body.july4-theme {
    background-color: #001f3f !important;
    color: #fff !important;
}
body.halloween-theme {
    background-color: #1a1a1a !important;
    color: #ff7518 !important;
}
body.thanksgiving-theme {
    background-color: #3b240b !important;
    color: #ffcc80 !important;
}
body.newyear-theme {
    background-color: #0b0b0b !important;
    color: #f1f1f1 !important;
}