/* User Selection Screen */
.user-selection-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-dark);
    padding: 20px;
}

.user-selection-container {
    max-width: 600px;
    width: 100%;
}

.app-logo {
    text-align: center;
    margin-bottom: 40px;
}

.user-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
}

.user-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 25px 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.user-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.user-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 12px;
}

.new-user-card .user-avatar {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-primary);
    font-size: 3rem;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}