:root {
    --neon-green: #39ff14;
    --dark-green: #0a2810;
    --terminal-black: #0c0c0c;
    --neon-red: #ff1744;
    --dark-red: #4d0015;
    --terminal-text: #e4e4e4;
}

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--terminal-black);
    overflow: hidden;
    font-family: 'Courier New', monospace; /* Terminal feel */
}

main {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-container {
    width: 100%;
    height: 100%;
    position: relative;
    background-image: url('/images/background.jpg');
    background-size: cover;
    background-position: center;
    padding: 10px;
    box-sizing: border-box;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--terminal-black);
    border: 1px solid var(--neon-green);
    box-shadow: inset 0 0 20px rgba(57, 255, 20, 0.2);
    animation: borderFlicker 5s infinite;
}

.doors-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    padding: 30px;
    box-sizing: border-box;
    margin: 0 auto;
    height: 100%;
    max-height: calc(100vh - 180px);
}

.door {
    position: relative;
    width: 100%;
    perspective: 1000px;
    cursor: pointer;
    max-width: none;
}

.door-front, .door-back {
    position: absolute;
    width: 100%;
    height: 100%;
    font-size: 24px;
    backface-visibility: hidden;
    transition: transform 0.6s;
}

.door-front {
    background: linear-gradient(45deg, var(--dark-green), var(--terminal-black));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 24px;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 5px var(--neon-green);
    text-shadow: 0 0 5px var(--neon-green);
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    animation: borderFlicker 3s infinite;
}

.door-front:hover {
    box-shadow: 0 0 15px var(--neon-green);
}

.door-back {
    background: linear-gradient(45deg, var(--terminal-black), var(--dark-red));
    color: var(--neon-red);
    border: 2px solid var(--neon-red);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 0 5px var(--neon-red);
    animation: redFlicker 4.5s infinite;
}

.door.opened .door-front {
    transform: rotateY(180deg);
}

.door.opened .door-back {
    transform: rotateY(0deg);
}

.door.disabled {
    cursor: not-allowed;
    opacity: 0.5;
    filter: grayscale(30%);
}

.door.disabled .door-front {
    border-color: #333;
    box-shadow: none;
    color: #333;
    text-shadow: none;
}

@media (max-width: 1024px) {
    .doors-container {
        grid-template-columns: repeat(4, 1fr);
        height: 100%;
    }
}

@media (max-width: 768px) {
    .doors-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .calendar-container {
        padding: 5px;
    }

    .doors-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 5px;
        padding: 5px;
    }
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 12, 12, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--terminal-black);
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 20px var(--neon-green);
    color: var(--terminal-text);
    animation: borderFlicker 4s infinite;
}

.modal-close {
    position: absolute;
    right: 15px;
    top: 15px;
    background: var(--dark-green);
    border: none;
    color: var(--neon-green);
    font-size: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 1px solid var(--neon-green);
    box-shadow: 0 0 5px var(--neon-green);
}

.modal-close:hover {
    background: var(--neon-green);
    color: var(--terminal-black);
    box-shadow: 0 0 10px var(--neon-green);
}

.door-back {
    cursor: pointer;
}

@media (max-width: 768px) {
    .modal-content {
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
    }

    .modal-close {
        right: 15px;
        top: 25px;
    }

    .modal-overlay {
        background: #fff;
    }
}

.day-content {
    background: rgba(10, 40, 16, 0.7); /* Semi-transparent dark green */
    padding: 20px;
    border-radius: 4px;
    border: 1px solid var(--neon-green);
    margin: 10px 0;
}

.day-content h2 {
    color: var(--neon-green);
    text-shadow: 0 0 5px var(--neon-green);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--neon-green);
    animation: textFlicker 3s infinite;
}

.day-content h3 {
    color: var(--neon-green);
    text-shadow: 0 0 3px var(--neon-green);
    margin-top: 20px;
}

.day-content p {
    color: var(--terminal-text);
    line-height: 1.6;
    background: rgba(12, 12, 12, 0.7);
    padding: 10px;
    border-radius: 3px;
    border-left: 3px solid var(--neon-green);
}

.day-content .lab-link {
    display: inline-block;
    background: var(--dark-green);
    color: var(--neon-green);
    padding: 10px 20px;
    text-decoration: none;
    border: 1px solid var(--neon-green);
    border-radius: 4px;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 0 5px var(--neon-green);
}

.day-content .lab-link:hover {
    background: var(--neon-green);
    color: var(--terminal-black);
    box-shadow: 0 0 15px var(--neon-green);
}

@keyframes borderFlicker {
    0% { border-color: var(--neon-green); box-shadow: 0 0 20px var(--neon-green); }
    49% { border-color: var(--neon-green); box-shadow: 0 0 20px var(--neon-green); }
    50% { border-color: #0f3f1a; box-shadow: 0 0 10px #0f3f1a; }
    51% { border-color: var(--neon-green); box-shadow: 0 0 20px var(--neon-green); }
    52% { border-color: #0f3f1a; box-shadow: 0 0 10px #0f3f1a; }
    100% { border-color: var(--neon-green); box-shadow: 0 0 20px var(--neon-green); }
}

@keyframes textFlicker {
    0% { opacity: 1; text-shadow: 0 0 5px var(--neon-green); }
    49% { opacity: 1; text-shadow: 0 0 5px var(--neon-green); }
    50% { opacity: 0.7; text-shadow: none; }
    51% { opacity: 1; text-shadow: 0 0 5px var(--neon-green); }
    52% { opacity: 0.7; text-shadow: none; }
    100% { opacity: 1; text-shadow: 0 0 5px var(--neon-green); }
}

.day-page {
    min-height: 100vh;
    padding: 20px;
    background: #0c3823;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.day-header {
    width: 100%;
    max-width: 800px;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.back-button {
    padding: 10px 20px;
    background: #c70025;
    color: #f8e7b9;
    text-decoration: none;
    border-radius: 4px;
    border: 2px solid #f8e7b9;
}

.back-button:hover {
    background: #8b0019;
}

.day-header h1 {
    color: #f8e7b9;
    margin: 0;
}

.day-content-wrapper {
    background: #fff;
    padding: 30px;
    width: 100%;
    max-width: 800px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
}

@media (max-width: 768px) {
    .day-page {
        padding: 10px;
    }

    .day-content-wrapper {
        padding: 20px;
        border-radius: 4px;
    }

    .day-header {
        padding: 10px;
    }
}

.site-header {
    background: var(--dark-green);
    border-bottom: 2px solid var(--neon-green);
    padding: 0.5rem 0;
    box-shadow: 0 0 10px var(--neon-green);
    flex-shrink: 0;
}

.header-content {
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    color: var(--neon-green);
    margin: 0;
    font-size: 1.5rem;
    text-shadow: 0 0 5px var(--neon-green);
    font-family: 'Courier New', monospace;
}

.header-content nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.header-content nav a {
    color: var(--terminal-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid var(--neon-green);
}

.header-content nav a:hover {
    background: var(--neon-green);
    color: var(--terminal-black);
    box-shadow: 0 0 10px var(--neon-green);
}

.twitter-icon {
    width: 20px;
    height: 20px;
}

.site-footer {
    background: var(--dark-green);
    border-top: 2px solid var(--neon-green);
    padding: 0.5rem 0;
    margin-top: 0;
    flex-shrink: 0;
    box-shadow: 0 0 10px var(--neon-green);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    color: var(--terminal-text);
    font-size: 0.9rem;
}

.footer-quote {
    font-size: 1rem;
    font-style: italic;
    margin-bottom: 0.5rem;
    color: var(--neon-green);
    text-shadow: 0 0 5px var(--neon-green);
    font-family: 'Courier New', monospace;
}

.quote-attribution {
    display: block;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.footer-links {
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--neon-green);
    text-decoration: none;
    border-bottom: 1px solid var(--neon-green);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    text-shadow: 0 0 5px var(--neon-green);
    border-bottom-width: 2px;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .header-content nav {
        flex-direction: row;
    }

    .footer-content {
        padding: 0 10px;
    }
}

/* Add some scanline effect to the background */
.calendar-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        transparent 50%,
        rgba(0, 0, 0, 0.05) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
}

/* Add a subtle CRT flicker animation */
@keyframes flicker {
    0% { opacity: 0.99; }
    5% { opacity: 1; }
    10% { opacity: 0.99; }
    15% { opacity: 0.98; }
    20% { opacity: 1; }
}

.door-front {
    animation: flicker 5s infinite;
}

.day-content ul {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.day-content ul li {
    color: var(--terminal-text);
    padding: 8px 10px 8px 25px;
    position: relative;
    background: rgba(12, 12, 12, 0.7);
    margin-bottom: 5px;
    border-radius: 3px;
}

.day-content ul li::before {
    content: '>';
    color: var(--neon-green);
    position: absolute;
    left: 10px;
    animation: textFlicker 2s infinite;
}

/* Add a typing cursor effect to paragraphs */
.day-content p::after {
    content: '|';
    color: var(--neon-green);
    animation: textFlicker 1s infinite;
}

/* Add new red flicker animation */
@keyframes redFlicker {
    0% { 
        border-color: var(--neon-red); 
        box-shadow: 0 0 20px var(--neon-red);
        color: var(--neon-red);
        text-shadow: 0 0 5px var(--neon-red);
    }
    49% { 
        border-color: var(--neon-red); 
        box-shadow: 0 0 20px var(--neon-red);
        color: var(--neon-red);
        text-shadow: 0 0 5px var(--neon-red);
    }
    50% { 
        border-color: var(--dark-red); 
        box-shadow: 0 0 10px var(--dark-red);
        color: var(--dark-red);
        text-shadow: none;
    }
    51% { 
        border-color: var(--neon-red); 
        box-shadow: 0 0 20px var(--neon-red);
        color: var(--neon-red);
        text-shadow: 0 0 5px var(--neon-red);
    }
    52% { 
        border-color: var(--dark-red); 
        box-shadow: 0 0 10px var(--dark-red);
        color: var(--dark-red);
        text-shadow: none;
    }
    100% { 
        border-color: var(--neon-red); 
        box-shadow: 0 0 20px var(--neon-red);
        color: var(--neon-red);
        text-shadow: 0 0 5px var(--neon-red);
    }
}

/* Add combined flicker for opened doors */
@keyframes openedDoorFlicker {
    0%, 100% { 
        border-color: var(--neon-red);
        box-shadow: 0 0 15px var(--neon-red);
        background: linear-gradient(45deg, var(--terminal-black), var(--dark-red));
    }
    48%, 52% { 
        border-color: var(--dark-red);
        box-shadow: 0 0 5px var(--dark-red);
        background: linear-gradient(45deg, var(--terminal-black), var(--dark-red));
    }
    49%, 51% { 
        border-color: var(--neon-red);
        box-shadow: 0 0 15px var(--neon-red);
        background: linear-gradient(45deg, var(--dark-red), var(--terminal-black));
    }
    50% { 
        border-color: var(--dark-red);
        box-shadow: 0 0 5px var(--dark-red);
        background: linear-gradient(45deg, var(--dark-red), var(--terminal-black));
    }
}

/* Add random timing variations for more realistic effect */
.door:nth-child(2n) .door-front {
    animation-delay: -0.5s;
}

.door:nth-child(3n) .door-front {
    animation-delay: -1.5s;
}

.door:nth-child(5n) .door-back {
    animation-delay: -0.75s;
}

.door:nth-child(7n) .door-back {
    animation-delay: -2s;
}

/* Add glitch effect for hover */
@keyframes glitch {
    0% { transform: translate(0) }
    20% { transform: translate(-2px, 2px) }
    40% { transform: translate(-2px, -2px) }
    60% { transform: translate(2px, 2px) }
    80% { transform: translate(2px, -2px) }
    100% { transform: translate(0) }
}

.door:hover .door-front {
    animation: borderFlicker 0.5s infinite, glitch 0.3s infinite;
}

.door.opened:hover .door-back {
    animation: redFlicker 0.5s infinite, glitch 0.3s infinite;
}

/* Add some static noise effect */
.door::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.05;
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* Add these new styles */
@keyframes fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
    }
}

.terminal-snow {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1000;
}

.snowflake {
    position: fixed;
    font-family: 'Courier New', monospace;
    color: var(--neon-green);
    text-shadow: 0 0 5px var(--neon-green);
    opacity: 0;
    animation: fall linear infinite;
}

/* Create different characters for snowflakes */
.snowflake::after {
    content: attr(data-text);
}

/* Add animation for snowflake glow */
@keyframes snowGlow {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 0.3; }
}

.audio-button {
    background: none;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    padding: 5px 10px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px var(--neon-green);
    animation: borderFlicker 4s infinite;
}

.audio-button:hover {
    background: var(--neon-green);
    color: var(--terminal-black);
    box-shadow: 0 0 10px var(--neon-green);
}

.audio-button.muted .audio-icon::after {
    content: '🔇';
}

.audio-button:not(.muted) .audio-icon::after {
    content: '🔊';
}

.start-prompt {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(12, 12, 12, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.prompt-content {
    background: var(--terminal-black);
    border: 2px solid var(--neon-green);
    padding: 2rem;
    text-align: center;
    animation: borderFlicker 4s infinite;
    box-shadow: 0 0 20px var(--neon-green);
}

.prompt-content h2 {
    color: var(--neon-green);
    text-shadow: 0 0 5px var(--neon-green);
    margin-bottom: 1.5rem;
    animation: textFlicker 3s infinite;
}

.start-button {
    background: none;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    padding: 0.8rem 1.5rem;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px var(--neon-green);
    font-family: 'Courier New', monospace;
}

.start-button:hover {
    background: var(--neon-green);
    color: var(--terminal-black);
    box-shadow: 0 0 15px var(--neon-green);
}

/* Add glitch effect for the start button */
@keyframes glitch-text {
    0% { transform: translate(0) }
    20% { transform: translate(-2px, 2px) }
    40% { transform: translate(-2px, -2px) }
    60% { transform: translate(2px, 2px) }
    80% { transform: translate(2px, -2px) }
    100% { transform: translate(0) }
}

.start-button:hover {
    animation: glitch-text 0.3s infinite;
}

/* Add these styles for the Santa icon */
.santa-icon {
    display: inline-block;
    margin-right: 10px;
    animation: santaBob 2s infinite ease-in-out;
}

@keyframes santaBob {
    0%, 100% { 
        transform: translateY(0) rotate(0deg); 
    }
    50% { 
        transform: translateY(-3px) rotate(5deg); 
    }
}

/* Update header title styles */
.header-content h1 {
    color: var(--neon-green);
    margin: 0;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    text-shadow: 0 0 5px var(--neon-green);
}

.door-number {
    font-size: 1.5em;
    font-weight: bold;
}

.door-emoji {
    font-size: 1.8em;
    animation: float 3s ease-in-out infinite;
    opacity: 0.9;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-5px) rotate(5deg);
    }
}

/* Add hover effect */
.door:hover .door-emoji {
    animation: bounce 0.5s ease infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Make sure emojis are visible on both sides */
.door-back .door-emoji {
    transform: rotateY(180deg); /* Keep emoji facing right way when door opens */
}

.prompt-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.never-button {
    border-color: var(--neon-red);
    color: var(--neon-red);
    opacity: 0.8;
}

.never-button:hover {
    background: var(--neon-red);
    color: var(--terminal-black);
    box-shadow: 0 0 15px var(--neon-red);
}