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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    overflow: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.dashboard-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.welcome-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9));
    border-radius: 25px;
    padding: 40px 30px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 8px 25px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(255, 215, 0, 0.3);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    animation: shimmer 4s infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.logo-section {
    margin-bottom: 40px;
}

.logo-title {
    font-size: 2.5rem;
    background: linear-gradient(45deg, #FFD700, #FF6B6B, #4ECDC4, #FFD700);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbowText 3s ease-in-out infinite;
    margin-bottom: 10px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

@keyframes rainbowText {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.logo-subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.entry-section h2 {
    color: #333;
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: bold;
}

.instruction {
    color: #666;
    margin-bottom: 30px;
    font-size: 1rem;
}

.name-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.name-input {
    padding: 18px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    font-size: 1.1rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.name-input:focus {
    outline: none;
    border-color: #4ECDC4;
    box-shadow: 0 6px 25px rgba(78, 205, 196, 0.3);
    transform: translateY(-2px);
}

.enter-btn {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #FFD700);
    background-size: 300% 300%;
    animation: gradientShift 3s ease infinite;
    color: white;
    border: none;
    padding: 18px 30px;
    border-radius: 15px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.enter-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.enter-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

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

.features-preview {
    display: flex;
    justify-content: space-around;
    gap: 15px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.feature-icon {
    font-size: 2rem;
    animation: bounce 2s infinite;
}

.feature-item span:last-child {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Floating particles */
body::before,
body::after {
    content: '';
    position: fixed;
    width: 20px;
    height: 20px;
    background: rgba(255, 215, 0, 0.3);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
}

body::before {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

body::after {
    bottom: 20%;
    right: 15%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.5; }
    50% { transform: translateY(-30px) scale(1.2); opacity: 1; }
}

/* Responsive Design */
@media (max-width: 480px) {
    .dashboard-container {
        padding: 15px;
    }
    
    .welcome-card {
        padding: 30px 20px;
    }
    
    .logo-title {
        font-size: 2rem;
    }
    
    .entry-section h2 {
        font-size: 1.5rem;
    }
    
    .name-input {
        padding: 15px;
        font-size: 1rem;
    }
    
    .enter-btn {
        padding: 15px 25px;
        font-size: 1.1rem;
    }
}

/* Success animation */
@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.success-animation {
    animation: successPulse 0.6s ease;
}