/* ===== New Year Animation (Dec 31 - Jan 7) ===== */

/* Fireworks Canvas */
#fireworks-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    display: none;
}

#fireworks-canvas.active {
    display: block;
}

/* New Year Banner */
.newyear-banner {
    position: fixed;
    bottom: 0;
    left: 68px; /* After dock */
    right: 0;
    z-index: 1001;
    display: none;
    background: linear-gradient(90deg,
        #1a1a2e 0%,
        #16213e 25%,
        #0f3460 50%,
        #16213e 75%,
        #1a1a2e 100%);
    border-top: 2px solid;
    border-image: linear-gradient(90deg, #ffd700, #ff6b6b, #ffd700) 1;
    padding: 6px 0;
    text-align: center;
    overflow: hidden;
}

.newyear-banner.active {
    display: block;
}

.newyear-banner-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    animation: sparkle 2s ease-in-out infinite;
}

.newyear-emoji {
    font-size: 1.2rem;
    animation: bounce 0.6s ease-in-out infinite alternate;
}

.newyear-emoji:nth-child(1) { animation-delay: 0s; }
.newyear-emoji:nth-child(3) { animation-delay: 0.2s; }
.newyear-emoji:nth-child(5) { animation-delay: 0.4s; }

.newyear-text {
    font-size: 1.1rem;
    font-weight: 600;
    background: linear-gradient(90deg, #ffd700, #ffec8b, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    animation: glow-text 1.5s ease-in-out infinite alternate;
}

@keyframes sparkle {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.2);
    }
}

@keyframes bounce {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-3px);
    }
}

@keyframes glow-text {
    from {
        filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
    }
    to {
        filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.8));
    }
}

/* New Year Greeting Style */
.newyear-greeting {
    background: linear-gradient(90deg, #ffd700, #ff6b6b, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s ease-in-out infinite;
    background-size: 200% auto;
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Responsive New Year */
@media (max-width: 768px) {
    .newyear-banner {
        left: 0;
        bottom: 0;
        padding: 4px 0;
    }

    .newyear-text {
        font-size: 0.75rem;
    }

    .newyear-emoji {
        font-size: 1rem;
    }

    .newyear-banner-content {
        gap: 10px;
    }
}

/* Fireworks particles glow effect */
.firework-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: firework-explode 1s ease-out forwards;
}

@keyframes firework-explode {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}