:root { 
    --primary: #1a73e8; 
    --dark-blue: #0A192F; 
    --card-bg: #16243a;
    --neon-green: #64FFDA; 
    --neon-purple: #9945FF;
    --text-gray: #a0aec0;
    --white: #ffffff;
}

header {
    width: 100%;
    background: rgba(10, 25, 47, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    width: 95%;
    max-width: 1000px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-small {
    width: 40px;
    height: 40px;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: var(--neon-green);
    text-shadow: 0 0 10px rgba(100, 255, 218, 0.5);
}

.slogan {
    font-size: 0.8rem;
    font-style: italic;
    color: var(--neon-purple);
    letter-spacing: 1px;
    margin-top: 2px;
    display: block;
    text-transform: uppercase;
}

.wallet-info {
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid var(--neon-green);
    padding: 8px 16px;
    border-radius: 12px;
    text-align: right;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: block;
}

.wallet-info:hover {
    background: rgba(100, 255, 218, 0.2);
    box-shadow: 0 0 15px rgba(100, 255, 218, 0.2);
}

.wallet-address { font-size: 0.75rem; color: var(--text-gray); }
.wallet-balance { font-weight: bold; color: var(--neon-green); font-size: 0.9rem; }

footer {
    width: 100%;
    padding: 2rem 0;
    margin-top: auto;
    background: rgba(10, 25, 47, 0.5);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--neon-green);
}