* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0a2e 0%, #1a0a3e 50%, #0a1a3e 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #fff;
    overflow-x: hidden;
    position: relative;
}

#fireworks {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
}

.year-display {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.digit {
    font-size: clamp(4rem, 15vw, 10rem);
    font-weight: 900;
    background: linear-gradient(180deg, #ffd700 0%, #ff6b35 50%, #ff1493 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.5);
    animation: digitPulse 2s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.3));
}

.digit:nth-child(1) { animation-delay: 0s; }
.digit:nth-child(2) { animation-delay: 0.2s; }
.digit:nth-child(3) { animation-delay: 0.4s; }
.digit:nth-child(4) { animation-delay: 0.6s; }

@keyframes digitPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.title {
    font-size: clamp(2rem, 6vw, 4rem);
    margin-bottom: 1rem;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% { text-shadow: 0 0 30px rgba(255, 255, 255, 0.5); }
    50% { text-shadow: 0 0 60px rgba(255, 215, 0, 0.8), 0 0 100px rgba(255, 107, 53, 0.5); }
}

.subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    opacity: 0.9;
    margin-bottom: 3rem;
    max-width: 600px;
}

.controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-icon {
    font-size: 1.3rem;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #ff1493 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.6);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-secondary.muted {
    opacity: 0.6;
}

.surprise-container {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.btn-surprise {
    background: linear-gradient(135deg, #ffd700 0%, #ff6b35 100%);
    color: #1a0a3e;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
    animation: surprisePulse 2s ease-in-out infinite;
}

.btn-surprise:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.6);
}

@keyframes surprisePulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4); }
    50% { box-shadow: 0 4px 40px rgba(255, 215, 0, 0.8), 0 0 60px rgba(255, 215, 0, 0.4); }
}

.fortune-card {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 107, 53, 0.1) 100%);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 20px;
    padding: 2rem;
    max-width: 400px;
    backdrop-filter: blur(20px);
    transform: scale(0) rotateY(180deg);
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.fortune-card.visible {
    transform: scale(1) rotateY(0deg);
    opacity: 1;
}

.fortune-card.hidden {
    display: none;
}

.fortune-header {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #ffd700, #ff6b35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fortune-text {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-small:hover {
    background: rgba(255, 255, 255, 0.3);
}

.floating-emojis {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.floating-emoji {
    position: absolute;
    font-size: 2rem;
    animation: floatUp 4s ease-out forwards;
    opacity: 0;
}

@keyframes floatUp {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) rotate(360deg) scale(0.5);
    }
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    animation: confettiFall 3s ease-out forwards;
}

@keyframes confettiFall {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    text-align: center;
    background: linear-gradient(transparent, rgba(10, 10, 46, 0.9));
    z-index: 10;
}

.footer p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Stars background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 230px 80px, #fff, transparent),
        radial-gradient(2px 2px at 300px 150px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 350px 200px, #fff, transparent),
        radial-gradient(2px 2px at 420px 50px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 500px 180px, #fff, transparent),
        radial-gradient(2px 2px at 580px 90px, rgba(255,255,255,0.9), transparent);
    background-size: 600px 250px;
    animation: twinkle 4s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Responsive */
@media (max-width: 600px) {
    .controls {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .fortune-card {
        margin: 0 1rem;
    }
}