:root {
    --glass: rgba(255,255,255,0.05);
    --border: rgba(255,255,255,0.1);
}

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 1rem;
}

.nav-btn {
    padding: 1rem;
    border-radius: 0.75rem;
    color: #94a3b8;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-btn.active {
    background: rgba(99,102,241,0.2);
    color: #818cf8;
}

.input-field {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(30,41,59,0.5);
    color: white;
}

.hidden {
    display: none;
}