body {
    background-color: #ffffff;
    font-family: 'Segoe UI', sans-serif;
    padding-bottom: 70px; /* Space for bottom nav */
}

/* Black Button Style */
.btn-black {
    background-color: #000 !important;
    color: #fff !important;
    border-radius: 8px;
    padding: 12px;
    font-weight: 500;
    width: 100%;
}

/* Inputs */
.form-custom {
    background-color: #f8f9fa;
    border: none;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 999;
}
.nav-item {
    text-align: center;
    color: #aaa;
    font-size: 10px;
    text-decoration: none;
}
.nav-item.active {
    color: #000;
}
.nav-item i {
    font-size: 20px;
    display: block;
    margin-bottom: 2px;
}

/* Cards */
.app-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
}
.banner-card {
    background: #000;
    color: #fff;
    border-radius: 15px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Dark Theme for Auto Trade */
.dark-theme-card {
    background: #0f1014;
    color: #fff;
    border-radius: 12px;
    padding: 15px;
    border: 1px solid #333;
    margin-bottom: 15px;
}
.green-text { color: #4ade80; }