/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 40px 0 20px;
    text-align: center;
}

.site-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #FF6B6B 0%, #4ECDC4 50%, #45B7D1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

/* Main Content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 0;
}

/* Brand Logo */
.brand-logo {
    margin-bottom: 40px;
    animation: float 3s ease-in-out infinite;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.brand-logo:hover {
    transform: scale(1.05);
}

.brand-logo:focus {
    outline: 3px solid rgba(255, 107, 107, 0.5);
    outline-offset: 2px;
}

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

.emoji-logo {
    font-size: 80px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
    animation: emojiGlow 2s ease-in-out infinite alternate;
}

@keyframes emojiGlow {
    0% { filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1)) brightness(1); }
    100% { filter: drop-shadow(0 15px 30px rgba(255, 107, 107, 0.2)) brightness(1.05); }
}

/* Tagline */
.tagline {
    font-size: 1.8rem;
    font-weight: 300;
    color: #666;
    margin-bottom: 60px;
    letter-spacing: 1px;
}

/* Enter Button */
.enter-btn {
    position: relative;
    background: linear-gradient(135deg, #FF6B6B 0%, #4ECDC4 100%);
    color: white;
    border: none;
    padding: 20px 60px;
    font-size: 1.5rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
    overflow: hidden;
    min-width: 200px;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.enter-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.enter-btn:active {
    transform: translateY(-1px);
}

.btn-text {
    position: relative;
    z-index: 2;
}

.btn-icon {
    position: relative;
    z-index: 2;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.enter-btn:hover .btn-icon {
    transform: translateX(5px);
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    color: #999;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .site-title {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.4rem;
        margin-bottom: 40px;
    }
    
    .enter-btn {
        padding: 18px 50px;
        font-size: 1.3rem;
        min-width: 180px;
        min-height: 65px;
    }
    
    .emoji-logo {
        font-size: 60px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 30px 0 15px;
    }
    
    .site-title {
        font-size: 1.6rem;
    }
    
    .tagline {
        font-size: 1.2rem;
        margin-bottom: 30px;
    }
    
    .enter-btn {
        padding: 16px 40px;
        font-size: 1.1rem;
        min-width: 160px;
        min-height: 60px;
    }
    
    .brand-logo {
        margin-bottom: 30px;
    }
    
    .emoji-logo {
        font-size: 50px;
    }
}

/* Loading Animation */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
.enter-btn:focus {
    outline: 3px solid rgba(255, 107, 107, 0.5);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .enter-btn {
        display: none;
    }
}