/* CryptoVelocity Main Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    overflow: hidden;
}

.fixed-logo {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 10000;
    background: white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.fixed-logo img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

main {
    height: calc(100vh - 60px);
    position: relative;
    margin-top: 0;
}

.content-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    transition: opacity 0.3s ease;
    touch-action: pan-y;
}

.content-iframe.active {
    opacity: 1;
    visibility: visible;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-menu {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    height: 60px;
}

.nav-menu li {
    flex: 1;
    text-align: center;
}

.nav-menu a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #666;
    height: 100%;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: #00CED1;
}

.nav-menu a.active {
    color: #00CED1;
}

.nav-menu a i {
    font-size: 20px;
    margin-bottom: 5px;
}

.nav-menu a span {
    font-size: 12px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .nav-menu a i {
        font-size: 18px;
    }
    
    .nav-menu a span {
        font-size: 10px;
    }
}