.christmas-theme {
    background-color: #0a2a12;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.christmas-theme .hero {
    background: linear-gradient(45deg, #1a5c2c, #0c3b1d);
}

.christmas-theme h1 {
    text-shadow: 2px 2px 4px rgba(255, 0, 0, 0.5);
}

.christmas-theme .resume-btn {
    background: linear-gradient(45deg, #c41e3a, #228B22);
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.christmas-theme .resume-btn:hover {
    background: linear-gradient(45deg, #228B22, #c41e3a);
}

#holiday-message {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    z-index: 1000;
    background-color: rgba(10, 42, 18, 0.7);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    animation: fadeInDown 0.5s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.snowflake {
    position: fixed;
    top: -10px;
    color: #ffffff;
    font-size: 1.5rem;
    user-select: none;
    z-index: 1000;
    animation: fall linear infinite;
}

@keyframes fall {
    to {
        transform: translateY(100vh) rotate(360deg);
    }
}

.christmas-lights {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    pointer-events: none;
}

div.christmas-lights {
    margin-top: -15px;
    margin-left: -54px;
}

.christmas-lights ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
    white-space: nowrap;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.christmas-lights ul li {
    position: relative;
    width: 12px;
    height: 28px;
    border-radius: 50%;
    margin: 20px;
    display: inline-block;
    padding: 0;
    animation: color-change 1s step-end infinite;
}

.christmas-lights ul li:before {
    content: "";
    position: absolute;
    width: 10px;
    height: 9px;
    background: #444;
    top: -5px;
    left: 1px;
}

.christmas-lights ul li:after {
    content: "";
    top: -14px;
    left: 9px;
    position: absolute;
    width: 52px;
    height: 18px;
    border-bottom: solid #222 2px;
    border-radius: 50%;
}

.christmas-lights ul li:last-child:after {
    content: none;
}

.christmas-lights ul li:nth-child(4n+1) {
    background: #f00;
    box-shadow: 0 0 10px #f00;
}

.christmas-lights ul li:nth-child(4n+2) {
    background: #0f0;
    box-shadow: 0 0 10px #0f0;
}

.christmas-lights ul li:nth-child(4n+3) {
    background: #00f;
    box-shadow: 0 0 10px #00f;
}

.christmas-lights ul li:nth-child(4n+4) {
    background: #ff0;
    box-shadow: 0 0 10px #ff0;
}

@keyframes color-change {
    0%, 75%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.frost {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom right, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
    z-index: 999;
}

.christmas-theme .content {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
@media (max-width: 768px) {
    #holiday-message {
        visibility: hidden;
    }
}